20868964030 has 16 divisors (see below), whose sum is σ = 37587953520. Its totient is φ = 8342292672.

The previous prime is 20868964019. The next prime is 20868964099. The reversal of 20868964030 is 3046986802.

It is a happy number.

It is a congruent number.

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, 645039 + ... + 676618.

It is an arithmetic number, because the mean of its divisors is an integer number (2349247095).

Almost surely, 2^20868964030 is an apocalyptic number.

20868964030 is a deficient number, since it is larger than the sum of its proper divisors (16718989490).

20868964030 is a wasteful number, since it uses less digits than its factorization.

20868964030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323243.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 20868964030 in words is "twenty billion, eight hundred sixty-eight million, nine hundred sixty-four thousand, thirty".