202120334412 has 48 divisors (see below), whose sum is σ = 499606434432. Its totient is φ = 63378515200.

The previous prime is 202120334401. The next prime is 202120334413. The reversal of 202120334412 is 214433021202.

It is a happy number.

It is a super-2 number, since 2×202120334412² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202120334413) 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, 161287 + ... + 655937.

It is an arithmetic number, because the mean of its divisors is an integer number (10408467384).

Almost surely, 2^202120334412 is an apocalyptic number.

It is an amenable number.

202120334412 is an abundant number, since it is smaller than the sum of its proper divisors (297486100020).

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

202120334412 is a wasteful number, since it uses less digits than its factorization.

202120334412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496678 (or 496676 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202120334412 its reverse (214433021202), we get a palindrome (416553355614).

The spelling of 202120334412 in words is "two hundred two billion, one hundred twenty million, three hundred thirty-four thousand, four hundred twelve".