220139829500 has 24 divisors (see below), whose sum is σ = 480785388720. Its totient is φ = 88055931600.

The previous prime is 220139829491. The next prime is 220139829527. The reversal of 220139829500 is 5928931022.

It is a congruent number.

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, 220139330 + ... + 220140329.

It is an arithmetic number, because the mean of its divisors is an integer number (20032724530).

Almost surely, 2^220139829500 is an apocalyptic number.

220139829500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220139829500 is an abundant number, since it is smaller than the sum of its proper divisors (260645559220).

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

220139829500 is a wasteful number, since it uses less digits than its factorization.

220139829500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440279678 (or 440279666 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 220139829500 in words is "two hundred twenty billion, one hundred thirty-nine million, eight hundred twenty-nine thousand, five hundred".