20331057626 has 16 divisors (see below), whose sum is σ = 33418199808. Its totient is φ = 9199946400.

The previous prime is 20331057611. The next prime is 20331057671. The reversal of 20331057626 is 62675013302.

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, 2067155 + ... + 2076966.

It is an arithmetic number, because the mean of its divisors is an integer number (2088637488).

Almost surely, 2^20331057626 is an apocalyptic number.

20331057626 is a deficient number, since it is larger than the sum of its proper divisors (13087142182).

20331057626 is a wasteful number, since it uses less digits than its factorization.

20331057626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144357.

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 20331057626 in words is "twenty billion, three hundred thirty-one million, fifty-seven thousand, six hundred twenty-six".