20290122408528 has 60 divisors (see below), whose sum is σ = 64896185167008. Its totient is φ = 5797177830720.

The previous prime is 20290122408511. The next prime is 20290122408679. The reversal of 20290122408528 is 82580422109202.

20290122408528 is a `hidden beast` number, since 2 + 0 + 2 + 90 + 12 + 24 + 0 + 8 + 528 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10064543838 + ... + 10064545853.

Almost surely, 2^{20290122408528} is an apocalyptic number.

20290122408528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20290122408528 is an abundant number, since it is smaller than the sum of its proper divisors (44606062758480).

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

20290122408528 is a wasteful number, since it uses less digits than its factorization.

20290122408528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20129089712 (or 20129089703 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 20290122408528 in words is "twenty trillion, two hundred ninety billion, one hundred twenty-two million, four hundred eight thousand, five hundred twenty-eight".