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20210330140 = 225711131009507
BaseRepresentation
bin10010110100101000…
…010010101000011100
31221011111022010221221
4102310220102220130
5312342321031030
613141241303124
71313554654210
oct226450225034
957144263857
1020210330140
118631228190
123b00494aa4
131ba113ab40
14d9a1d6940
157d4465e7a
hex4b4a12a1c

20210330140 has 96 divisors (see below), whose sum is σ = 56984707584. Its totient is φ = 5814754560.

The previous prime is 20210330117. The next prime is 20210330219. The reversal of 20210330140 is 4103301202.

It is a happy number.

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, 484734 + ... + 524773.

It is an arithmetic number, because the mean of its divisors is an integer number (593590704).

Almost surely, 220210330140 is an apocalyptic number.

20210330140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210330140 is an abundant number, since it is smaller than the sum of its proper divisors (36774377444).

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

20210330140 is a wasteful number, since it uses less digits than its factorization.

20210330140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009547 (or 1009545 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20210330140 its reverse (4103301202), we get a palindrome (24313631342).

The spelling of 20210330140 in words is "twenty billion, two hundred ten million, three hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 11 13 14 20 22 26 28 35 44 52 55 65 70 77 91 110 130 140 143 154 182 220 260 286 308 364 385 455 572 715 770 910 1001 1430 1540 1820 2002 2860 4004 5005 10010 20020 1009507 2019014 4038028 5047535 7066549 10095070 11104577 13123591 14133098 20190140 22209154 26247182 28266196 35332745 44418308 52494364 55522885 65617955 70665490 77732039 91865137 111045770 131235910 141330980 144359501 155464078 183730274 222091540 262471820 288719002 310928156 367460548 388660195 459325685 577438004 721797505 777320390 918651370 1010516507 1443595010 1554640780 1837302740 2021033014 2887190020 4042066028 5052582535 10105165070 20210330140