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10221010123020 = 2235220933771049
BaseRepresentation
bin1001010010111100001110…
…1011010111100100001100
31100012010012202202202212020
42110233003223113210030
52314430112042414040
633423244531010140
72103305105400264
oct224570353274414
940163182682766
1010221010123020
113290784831654
121190a97739950
13591ab61c5048
142749b171a7a4
1512ad12b63cd0
hex94bc3ad790c

10221010123020 has 48 divisors (see below), whose sum is σ = 28618994997600. Its totient is φ = 2725586827776.

The previous prime is 10221010123003. The next prime is 10221010123031. The reversal of 10221010123020 is 2032101012201.

10221010123020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×102210101230203 (a number of 40 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12870456 + ... + 13641504.

It is an arithmetic number, because the mean of its divisors is an integer number (596229062450).

Almost surely, 210221010123020 is an apocalyptic number.

10221010123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221010123020 is an abundant number, since it is smaller than the sum of its proper divisors (18397984874580).

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

10221010123020 is a wasteful number, since it uses less digits than its factorization.

10221010123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991994 (or 991992 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10221010123020 its reverse (2032101012201), we get a palindrome (12253111135221).

The spelling of 10221010123020 in words is "ten trillion, two hundred twenty-one billion, ten million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 220933 441866 662799 771049 883732 1104665 1325598 1542098 2209330 2313147 2651196 3084196 3313995 3855245 4418660 4626294 6627990 7710490 9252588 11565735 13255980 15420980 23131470 46262940 170350168717 340700337434 511050506151 681400674868 851750843585 1022101012302 1703501687170 2044202024604 2555252530755 3407003374340 5110505061510 10221010123020