20425282444 has 12 divisors (see below), whose sum is σ = 40850564944. Its totient is φ = 8753692464.

The previous prime is 20425282433. The next prime is 20425282459. The reversal of 20425282444 is 44428252402.

20425282444 is an admirable number.

It is a super-2 number, since 2×20425282444² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364737159 + ... + 364737214.

Almost surely, 2^20425282444 is an apocalyptic number.

It is an amenable number.

20425282444 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.

20425282444 is a wasteful number, since it uses less digits than its factorization.

20425282444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729474384 (or 729474382 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 37.

The spelling of 20425282444 in words is "twenty billion, four hundred twenty-five million, two hundred eighty-two thousand, four hundred forty-four".