20524532444 has 24 divisors (see below), whose sum is σ = 39580408560. Its totient is φ = 9252561024.

The previous prime is 20524532423. The next prime is 20524532447. The reversal of 20524532444 is 44423542502.

It is a super-2 number, since 2×20524532444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20524532447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4587329 + ... + 4591800.

It is an arithmetic number, because the mean of its divisors is an integer number (1649183690).

Almost surely, 2^20524532444 is an apocalyptic number.

It is an amenable number.

20524532444 is a deficient number, since it is larger than the sum of its proper divisors (19055876116).

20524532444 is a wasteful number, since it uses less digits than its factorization.

20524532444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9179189 (or 9179187 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

The spelling of 20524532444 in words is "twenty billion, five hundred twenty-four million, five hundred thirty-two thousand, four hundred forty-four".