20012201220210 has 64 divisors (see below), whose sum is σ = 48848844908160. Its totient is φ = 5245544944640.

The previous prime is 20012201220197. The next prime is 20012201220233. The reversal of 20012201220210 is 1202210221002.

It is a super-2 number, since 2×20012201220210² (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 20012201220210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15178570 + ... + 16444250.

It is an arithmetic number, because the mean of its divisors is an integer number (763263201690).

Almost surely, 2^{20012201220210} is an apocalyptic number.

20012201220210 is an abundant number, since it is smaller than the sum of its proper divisors (28836643687950).

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

20012201220210 is a wasteful number, since it uses less digits than its factorization.

20012201220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274683.

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

Adding to 20012201220210 its reverse (1202210221002), we get a palindrome (21214411441212).

The spelling of 20012201220210 in words is "twenty trillion, twelve billion, two hundred one million, two hundred twenty thousand, two hundred ten".