20468513501832 has 128 divisors (see below), whose sum is σ = 58038353280000. Its totient is φ = 5958603383040.

The previous prime is 20468513501771. The next prime is 20468513501837. The reversal of 20468513501832 is 23810531586402.

It is not an unprimeable number, because it can be changed into a prime (20468513501837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5193858 + ... + 8240945.

It is an arithmetic number, because the mean of its divisors is an integer number (453424635000).

Almost surely, 2^{20468513501832} is an apocalyptic number.

20468513501832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20468513501832 is an abundant number, since it is smaller than the sum of its proper divisors (37569839778168).

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

20468513501832 is a wasteful number, since it uses less digits than its factorization.

20468513501832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13435051 (or 13435047 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 20468513501832 in words is "twenty trillion, four hundred sixty-eight billion, five hundred thirteen million, five hundred one thousand, eight hundred thirty-two".