20797526834 has 16 divisors (see below), whose sum is σ = 35654857728. Its totient is φ = 8912737152.

The previous prime is 20797526819. The next prime is 20797526909. The reversal of 20797526834 is 43862579702.

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, 359234 + ... + 413090.

It is an arithmetic number, because the mean of its divisors is an integer number (2228428608).

Almost surely, 2^20797526834 is an apocalyptic number.

20797526834 is a deficient number, since it is larger than the sum of its proper divisors (14857330894).

20797526834 is a wasteful number, since it uses less digits than its factorization.

20797526834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81449.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 20797526834 in words is "twenty billion, seven hundred ninety-seven million, five hundred twenty-six thousand, eight hundred thirty-four".