20444526364 has 24 divisors (see below), whose sum is σ = 36392151600. Its totient is φ = 10046843520.

The previous prime is 20444526337. The next prime is 20444526391. The reversal of 20444526364 is 46362544402.

It is an interprime number because it is at equal distance from previous prime (20444526337) and next prime (20444526391).

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 7 ways as a sum of consecutive naturals, for example, 2105232 + ... + 2114920.

It is an arithmetic number, because the mean of its divisors is an integer number (1516339650).

Almost surely, 2^20444526364 is an apocalyptic number.

It is an amenable number.

20444526364 is a deficient number, since it is larger than the sum of its proper divisors (15947625236).

20444526364 is a wasteful number, since it uses less digits than its factorization.

20444526364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18693 (or 18691 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 40.

The spelling of 20444526364 in words is "twenty billion, four hundred forty-four million, five hundred twenty-six thousand, three hundred sixty-four".