22020011220210 has 32 divisors (see below), whose sum is σ = 52850677521600. Its totient is φ = 5871708481728.

The previous prime is 22020011220157. The next prime is 22020011220217. The reversal of 22020011220210 is 1202211002022.

It is a super-2 number, since 2×22020011220210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22020011220210.

It is not an unprimeable number, because it can be changed into a prime (22020011220217) 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, 17798452 + ... + 18995391.

It is an arithmetic number, because the mean of its divisors is an integer number (1651583672550).

Almost surely, 2^{22020011220210} is an apocalyptic number.

22020011220210 is an abundant number, since it is smaller than the sum of its proper divisors (30830666301390).

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

22020011220210 is a wasteful number, since it uses less digits than its factorization.

22020011220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36813802.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22020011220210 its reverse (1202211002022), we get a palindrome (23222222222232).

The spelling of 22020011220210 in words is "twenty-two trillion, twenty billion, eleven million, two hundred twenty thousand, two hundred ten".