520621105002 has 16 divisors (see below), whose sum is σ = 1041396938400. Its totient is φ = 173514580272.

The previous prime is 520621104959. The next prime is 520621105021. The reversal of 520621105002 is 200501126025.

It is a happy number.

It is a super-3 number, since 3×520621105002³ (a number of 36 digits) contains 333 as substring.

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, 6403252 + ... + 6484047.

It is an arithmetic number, because the mean of its divisors is an integer number (65087308650).

Almost surely, 2^520621105002 is an apocalyptic number.

520621105002 is an abundant number, since it is smaller than the sum of its proper divisors (520775833398).

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

520621105002 is a wasteful number, since it uses less digits than its factorization.

520621105002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12894037.

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 520621105002 in words is "five hundred twenty billion, six hundred twenty-one million, one hundred five thousand, two".