20446260654 has 32 divisors (see below), whose sum is σ = 41422993920. Its totient is φ = 6727061952.

The previous prime is 20446260647. The next prime is 20446260671. The reversal of 20446260654 is 45606264402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2563677 + ... + 2571639.

It is an arithmetic number, because the mean of its divisors is an integer number (1294468560).

Almost surely, 2^20446260654 is an apocalyptic number.

20446260654 is an abundant number, since it is smaller than the sum of its proper divisors (20976733266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20446260654 is a wasteful number, since it uses less digits than its factorization.

20446260654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13464.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 20446260654 in words is "twenty billion, four hundred forty-six million, two hundred sixty thousand, six hundred fifty-four".