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20301130140 = 22351813175897
BaseRepresentation
bin10010111010000010…
…101010100110011100
31221101211011021010220
4102322002222212130
5313034042131030
613154243401340
71316036521224
oct227202524634
957354137126
1020301130140
118678505605
123b26983250
131bb6bacc55
14da82b1084
157dc3eea10
hex4ba0aa99c

20301130140 has 96 divisors (see below), whose sum is σ = 57347244864. Its totient is φ = 5365831680.

The previous prime is 20301130139. The next prime is 20301130151. The reversal of 20301130140 is 4103110302.

It is a super-2 number, since 2×203011301402 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3439672 + ... + 3445568.

It is an arithmetic number, because the mean of its divisors is an integer number (597367134).

Almost surely, 220301130140 is an apocalyptic number.

20301130140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301130140 is an abundant number, since it is smaller than the sum of its proper divisors (37046114724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20301130140 is a wasteful number, since it uses less digits than its factorization.

20301130140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407 (or 6405 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20301130140 its reverse (4103110302), we get a palindrome (24404240442).

The spelling of 20301130140 in words is "twenty billion, three hundred one million, one hundred thirty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 181 317 362 543 634 724 905 951 1086 1268 1585 1810 1902 2172 2715 3170 3620 3804 4755 5430 5897 6340 9510 10860 11794 17691 19020 23588 29485 35382 57377 58970 70764 88455 114754 117940 172131 176910 229508 286885 344262 353820 573770 688524 860655 1067357 1147540 1721310 1869349 2134714 3202071 3442620 3738698 4269428 5336785 5608047 6404142 7477396 9346745 10673570 11216094 12808284 16010355 18693490 21347140 22432188 28040235 32020710 37386980 56080470 64041420 112160940 338352169 676704338 1015056507 1353408676 1691760845 2030113014 3383521690 4060226028 5075282535 6767043380 10150565070 20301130140