220735561400 has 48 divisors (see below), whose sum is σ = 513261353040. Its totient is φ = 88285420800.

The previous prime is 220735561381. The next prime is 220735561427. The reversal of 220735561400 is 4165537022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2182757 + ... + 2281643.

It is an arithmetic number, because the mean of its divisors is an integer number (10692944855).

Almost surely, 2^220735561400 is an apocalyptic number.

220735561400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220735561400 is an abundant number, since it is smaller than the sum of its proper divisors (292525791640).

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

220735561400 is a wasteful number, since it uses less digits than its factorization.

220735561400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110064 (or 110055 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 220735561400 in words is "two hundred twenty billion, seven hundred thirty-five million, five hundred sixty-one thousand, four hundred".