220015510050 has 72 divisors (see below), whose sum is σ = 634722317136. Its totient is φ = 50289257760.

The previous prime is 220015510049. The next prime is 220015510079. The reversal of 220015510050 is 50015510022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 220015509999 and 220015510026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14959692 + ... + 14974391.

It is an arithmetic number, because the mean of its divisors is an integer number (8815587738).

Almost surely, 2^220015510050 is an apocalyptic number.

220015510050 is an abundant number, since it is smaller than the sum of its proper divisors (414706807086).

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

220015510050 is a wasteful number, since it uses less digits than its factorization.

220015510050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29934112 (or 29934100 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The spelling of 220015510050 in words is "two hundred twenty billion, fifteen million, five hundred ten thousand, fifty".