20102222021202 has 64 divisors (see below), whose sum is σ = 48101029891200. Its totient is φ = 6199688263680.

The previous prime is 20102222021149. The next prime is 20102222021209. The reversal of 20102222021202 is 20212022220102.

20102222021202 is a `hidden beast` number, since 201 + 0 + 22 + 220 + 21 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20102222021209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185520799 + ... + 185629122.

It is an arithmetic number, because the mean of its divisors is an integer number (751578592050).

Almost surely, 2^{20102222021202} is an apocalyptic number.

20102222021202 is an abundant number, since it is smaller than the sum of its proper divisors (27998807869998).

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

20102222021202 is a wasteful number, since it uses less digits than its factorization.

20102222021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371150008 (or 371150002 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20102222021202 its reverse (20212022220102), we get a palindrome (40314244241304).

The spelling of 20102222021202 in words is "twenty trillion, one hundred two billion, two hundred twenty-two million, twenty-one thousand, two hundred two".