20926963046 has 16 divisors (see below), whose sum is σ = 34313882688. Its totient is φ = 9492877800.

The previous prime is 20926963021. The next prime is 20926963063. The reversal of 20926963046 is 64036962902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957860 + ... + 979463.

It is an arithmetic number, because the mean of its divisors is an integer number (2144617668).

Almost surely, 2^20926963046 is an apocalyptic number.

20926963046 is a deficient number, since it is larger than the sum of its proper divisors (13386919642).

20926963046 is a wasteful number, since it uses less digits than its factorization.

20926963046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937827.

The product of its (nonzero) digits is 839808, while the sum is 47.

The spelling of 20926963046 in words is "twenty billion, nine hundred twenty-six million, nine hundred sixty-three thousand, forty-six".