220120200021010 has 16 divisors (see below), whose sum is σ = 396360491175000. Its totient is φ = 88016050866816.

The previous prime is 220120200020993. The next prime is 220120200021049. The reversal of 220120200021010 is 10120002021022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 160635523078849 + 59484676942161 = 12674207^2 + 7712631^2 .

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, 4003613835 + ... + 4003668814.

Almost surely, 2^{220120200021010} is an apocalyptic number.

220120200021010 is a deficient number, since it is larger than the sum of its proper divisors (176240291153990).

220120200021010 is a wasteful number, since it uses less digits than its factorization.

220120200021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007285405.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220120200021010 its reverse (10120002021022), we get a palindrome (230240202042032).

The spelling of 220120200021010 in words is "two hundred twenty trillion, one hundred twenty billion, two hundred million, twenty-one thousand, ten".