220706550020 has 48 divisors (see below), whose sum is σ = 505735187328. Its totient is φ = 80238428160.

The previous prime is 220706550013. The next prime is 220706550023. The reversal of 220706550020 is 20055607022.

It is a super-2 number, since 2×220706550020² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220706550023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859652 + ... + 1086468.

It is an arithmetic number, because the mean of its divisors is an integer number (10536149736).

Almost surely, 2^220706550020 is an apocalyptic number.

220706550020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220706550020 is an abundant number, since it is smaller than the sum of its proper divisors (285028637308).

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

220706550020 is a wasteful number, since it uses less digits than its factorization.

220706550020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231260 (or 231258 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 220706550020 in words is "two hundred twenty billion, seven hundred six million, five hundred fifty thousand, twenty".