220642005043020 has 48 divisors (see below), whose sum is σ = 673961033587968. Its totient is φ = 53488970919360.

The previous prime is 220642005042983. The next prime is 220642005043049. The reversal of 220642005043020 is 20340500246022.

It is a super-2 number, since 2×220642005043020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167153033464 + ... + 167153034783.

It is an arithmetic number, because the mean of its divisors is an integer number (14040854866416).

Almost surely, 2^{220642005043020} is an apocalyptic number.

220642005043020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220642005043020 is an abundant number, since it is smaller than the sum of its proper divisors (453319028544948).

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

220642005043020 is a wasteful number, since it uses less digits than its factorization.

220642005043020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334306068270 (or 334306068268 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 220642005043020 its reverse (20340500246022), we get a palindrome (240982505289042).

The spelling of 220642005043020 in words is "two hundred twenty trillion, six hundred forty-two billion, five million, forty-three thousand, twenty".