20011012220202 has 32 divisors (see below), whose sum is σ = 42733324389888. Its totient is φ = 6231943136496.

The previous prime is 20011012220189. The next prime is 20011012220209. The reversal of 20011012220202 is 20202221011002.

It is a super-2 number, since 2×20011012220202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20011012220209) 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, 1686125868 + ... + 1686137735.

It is an arithmetic number, because the mean of its divisors is an integer number (1335416387184).

Almost surely, 2^{20011012220202} is an apocalyptic number.

20011012220202 is an abundant number, since it is smaller than the sum of its proper divisors (22722312169686).

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

20011012220202 is a wasteful number, since it uses less digits than its factorization.

20011012220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372263674.

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

Adding to 20011012220202 its reverse (20202221011002), we get a palindrome (40213233231204).

The spelling of 20011012220202 in words is "twenty trillion, eleven billion, twelve million, two hundred twenty thousand, two hundred two".