20444363402532 has 24 divisors (see below), whose sum is σ = 47766531158976. Its totient is φ = 6805785436128.

The previous prime is 20444363402459. The next prime is 20444363402539. The reversal of 20444363402532 is 23520436344402.

It is a super-2 number, since 2×20444363402532² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20444363402539) 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, 1125286128 + ... + 1125304295.

It is an arithmetic number, because the mean of its divisors is an integer number (1990272131624).

Almost surely, 2^{20444363402532} is an apocalyptic number.

It is an amenable number.

20444363402532 is an abundant number, since it is smaller than the sum of its proper divisors (27322167756444).

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

20444363402532 is a wasteful number, since it uses less digits than its factorization.

20444363402532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250591187 (or 2250591185 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 42.

Adding to 20444363402532 its reverse (23520436344402), we get a palindrome (43964799746934).

The spelling of 20444363402532 in words is "twenty trillion, four hundred forty-four billion, three hundred sixty-three million, four hundred two thousand, five hundred thirty-two".