20696402126884 has 12 divisors (see below), whose sum is σ = 39511313151408. Its totient is φ = 9407455512200.

The previous prime is 20696402126879. The next prime is 20696402126923. The reversal of 20696402126884 is 48862120469602.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235186387762 + ... + 235186387849.

It is an arithmetic number, because the mean of its divisors is an integer number (3292609429284).

Almost surely, 2^{20696402126884} is an apocalyptic number.

It is an amenable number.

20696402126884 is a deficient number, since it is larger than the sum of its proper divisors (18814911024524).

20696402126884 is a wasteful number, since it uses less digits than its factorization.

20696402126884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470372775626 (or 470372775624 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 58.

The spelling of 20696402126884 in words is "twenty trillion, six hundred ninety-six billion, four hundred two million, one hundred twenty-six thousand, eight hundred eighty-four".