20570637112740 has 384 divisors, whose sum is σ = 79608624560640. Its totient is φ = 4332441600000.

The previous prime is 20570637112721. The next prime is 20570637112741. The reversal of 20570637112740 is 4721173607502.

20570637112740 is a `hidden beast` number, since 2 + 0 + 5 + 7 + 0 + 6 + 371 + 1 + 274 + 0 = 666.

It is a super-2 number, since 2×20570637112740² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (20570637112741) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6522261 + ... + 9147740.

It is an arithmetic number, because the mean of its divisors is an integer number (207314126460).

Almost surely, 2^{20570637112740} is an apocalyptic number.

20570637112740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20570637112740 is an abundant number, since it is smaller than the sum of its proper divisors (59037987447900).

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

20570637112740 is a wasteful number, since it uses less digits than its factorization.

20570637112740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15670060 (or 15670052 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 20570637112740 in words is "twenty trillion, five hundred seventy billion, six hundred thirty-seven million, one hundred twelve thousand, seven hundred forty".