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20373875880 = 2335169782299
BaseRepresentation
bin10010111110011000…
…001010110010101000
31221120220001010112120
4102332120022302220
5313211203012010
613205402511240
71320612042021
oct227630126250
957526033476
1020373875880
118705581556
123b47205520
131bc8ca0477
14db3c09c48
157e39bde70
hex4be60aca8

20373875880 has 32 divisors (see below), whose sum is σ = 61121628000. Its totient is φ = 5433033536.

The previous prime is 20373875867. The next prime is 20373875897. The reversal of 20373875880 is 8857837302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84891030 + ... + 84891269.

It is an arithmetic number, because the mean of its divisors is an integer number (1910050875).

Almost surely, 220373875880 is an apocalyptic number.

20373875880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20373875880 is an abundant number, since it is smaller than the sum of its proper divisors (40747752120).

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

20373875880 is a wasteful number, since it uses less digits than its factorization.

20373875880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169782313 (or 169782309 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 20373875880 in words is "twenty billion, three hundred seventy-three million, eight hundred seventy-five thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 169782299 339564598 509346897 679129196 848911495 1018693794 1358258392 1697822990 2037387588 2546734485 3395645980 4074775176 5093468970 6791291960 10186937940 20373875880