465168512020 has 24 divisors (see below), whose sum is σ = 977593411368. Its totient is φ = 185926540800.

The previous prime is 465168511987. The next prime is 465168512021. The reversal of 465168512020 is 20215861564.

It can be written as a sum of positive squares in 4 ways, for example, as 52611514384 + 412556997636 = 229372^2 + 642306^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465168512021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8776921 + ... + 8829760.

It is an arithmetic number, because the mean of its divisors is an integer number (40733058807).

Almost surely, 2^465168512020 is an apocalyptic number.

It is an amenable number.

465168512020 is an abundant number, since it is smaller than the sum of its proper divisors (512424899348).

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

465168512020 is a wasteful number, since it uses less digits than its factorization.

465168512020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17608011 (or 17608009 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 465168512020 in words is "four hundred sixty-five billion, one hundred sixty-eight million, five hundred twelve thousand, twenty".