220608020 has 12 divisors (see below), whose sum is σ = 463276884. Its totient is φ = 88243200.

The previous prime is 220608007. The next prime is 220608041. The reversal of 220608020 is 20806022.

It can be written as a sum of positive squares in 2 ways, for example, as 73034116 + 147573904 = 8546^2 + 12148^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11030401 = 220608020 / (2 + 2 + 0 + 6 + 0 + 8 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 220607983 and 220608001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5515181 + ... + 5515220.

It is an arithmetic number, because the mean of its divisors is an integer number (38606407).

Almost surely, 2^220608020 is an apocalyptic number.

220608020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220608020 is an abundant number, since it is smaller than the sum of its proper divisors (242668864).

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

220608020 is a wasteful number, since it uses less digits than its factorization.

220608020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11030410 (or 11030408 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 220608020 is about 14852.8791821653. The cubic root of 220608020 is about 604.2366987441.

The spelling of 220608020 in words is "two hundred twenty million, six hundred eight thousand, twenty".