20946434726 has 32 divisors (see below), whose sum is σ = 36503811648. Its totient is φ = 8828835840.

The previous prime is 20946434693. The next prime is 20946434731. The reversal of 20946434726 is 62743464902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331736 + ... + 389796.

It is an arithmetic number, because the mean of its divisors is an integer number (1140744114).

Almost surely, 2^20946434726 is an apocalyptic number.

20946434726 is a deficient number, since it is larger than the sum of its proper divisors (15557376922).

20946434726 is a wasteful number, since it uses less digits than its factorization.

20946434726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58496.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 20946434726 in words is "twenty billion, nine hundred forty-six million, four hundred thirty-four thousand, seven hundred twenty-six".