20632738351904 has 48 divisors (see below), whose sum is σ = 47371082976000. Its totient is φ = 8842602146112.

The previous prime is 20632738351871. The next prime is 20632738351919. The reversal of 20632738351904 is 40915383723602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939891464 + ... + 939913415.

It is an arithmetic number, because the mean of its divisors is an integer number (986897562000).

It is a 1-persistent number, because it is pandigital, but 2⋅20632738351904 = 41265476703808 is not.

Almost surely, 2^{20632738351904} is an apocalyptic number.

It is an amenable number.

20632738351904 is an abundant number, since it is smaller than the sum of its proper divisors (26738344624096).

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

20632738351904 is an equidigital number, since it uses as much as digits as its factorization.

20632738351904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879804910 (or 1879804888 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 20632738351904 in words is "twenty trillion, six hundred thirty-two billion, seven hundred thirty-eight million, three hundred fifty-one thousand, nine hundred four".