20262406444 has 12 divisors (see below), whose sum is σ = 40524812944. Its totient is φ = 8683888464.

The previous prime is 20262406421. The next prime is 20262406447. The reversal of 20262406444 is 44460426202.

20262406444 is an admirable number.

It is a super-2 number, since 2×20262406444² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20262406447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361828659 + ... + 361828714.

Almost surely, 2^20262406444 is an apocalyptic number.

It is an amenable number.

20262406444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20262406444 is a wasteful number, since it uses less digits than its factorization.

20262406444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723657384 (or 723657382 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 20262406444 in words is "twenty billion, two hundred sixty-two million, four hundred six thousand, four hundred forty-four".