20009374122 has 64 divisors (see below), whose sum is σ = 41699266560. Its totient is φ = 6393240000.

The previous prime is 20009374067. The next prime is 20009374199. The reversal of 20009374122 is 22147390002.

It is a self number, because there is not a number n which added to its sum of digits gives 20009374122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18822963 + ... + 18824025.

It is an arithmetic number, because the mean of its divisors is an integer number (651551040).

Almost surely, 2^20009374122 is an apocalyptic number.

20009374122 is an abundant number, since it is smaller than the sum of its proper divisors (21689892438).

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

20009374122 is a wasteful number, since it uses less digits than its factorization.

20009374122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 20009374122 in words is "twenty billion, nine million, three hundred seventy-four thousand, one hundred twenty-two".