20101022020202 has 16 divisors (see below), whose sum is σ = 30966165842400. Its totient is φ = 9782339960400.

The previous prime is 20101022020171. The next prime is 20101022020291. The reversal of 20101022020202 is 20202022010102.

It is a super-2 number, since 2×20101022020202² (a number of 27 digits) contains 22 as substring.

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, 843293252 + ... + 843317087.

It is an arithmetic number, because the mean of its divisors is an integer number (1935385365150).

Almost surely, 2^{20101022020202} is an apocalyptic number.

20101022020202 is a deficient number, since it is larger than the sum of its proper divisors (10865143822198).

20101022020202 is a wasteful number, since it uses less digits than its factorization.

20101022020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686610501.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20101022020202 its reverse (20202022010102), we get a palindrome (40303044030304).

It can be divided in two parts, 2010102 and 2020202, that added together give a palindrome (4030304).

The spelling of 20101022020202 in words is "twenty trillion, one hundred one billion, twenty-two million, twenty thousand, two hundred two".