501215506220 has 48 divisors (see below), whose sum is σ = 1236565255968. Its totient is φ = 168240168960.

The previous prime is 501215506219. The next prime is 501215506261. The reversal of 501215506220 is 22605512105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87622229 + ... + 87627948.

It is an arithmetic number, because the mean of its divisors is an integer number (25761776166).

Almost surely, 2^501215506220 is an apocalyptic number.

It is an amenable number.

501215506220 is an abundant number, since it is smaller than the sum of its proper divisors (735349749748).

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

501215506220 is a wasteful number, since it uses less digits than its factorization.

501215506220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175250210 (or 175250208 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 501215506220 in words is "five hundred one billion, two hundred fifteen million, five hundred six thousand, two hundred twenty".