20235701570 has 64 divisors (see below), whose sum is σ = 42498328320. Its totient is φ = 6793383168.

The previous prime is 20235701567. The next prime is 20235701609. The reversal of 20235701570 is 7510753202.

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, 1935116 + ... + 1945544.

It is an arithmetic number, because the mean of its divisors is an integer number (664036380).

Almost surely, 2^20235701570 is an apocalyptic number.

20235701570 is an abundant number, since it is smaller than the sum of its proper divisors (22262626750).

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

20235701570 is a wasteful number, since it uses less digits than its factorization.

20235701570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019.

The product of its (nonzero) digits is 14700, while the sum is 32.

The spelling of 20235701570 in words is "twenty billion, two hundred thirty-five million, seven hundred one thousand, five hundred seventy".