20070537474 has 16 divisors (see below), whose sum is σ = 43228850112. Its totient is φ = 6175549968.

The previous prime is 20070537469. The next prime is 20070537479. The reversal of 20070537474 is 47473507002.

It is an interprime number because it is at equal distance from previous prime (20070537469) and next prime (20070537479).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (20070537479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128657214 + ... + 128657369.

It is an arithmetic number, because the mean of its divisors is an integer number (2701803132).

Almost surely, 2^20070537474 is an apocalyptic number.

20070537474 is an abundant number, since it is smaller than the sum of its proper divisors (23158312638).

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

20070537474 is a wasteful number, since it uses less digits than its factorization.

20070537474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257314601.

The product of its (nonzero) digits is 164640, while the sum is 39.

The spelling of 20070537474 in words is "twenty billion, seventy million, five hundred thirty-seven thousand, four hundred seventy-four".