20130312202 has 48 divisors (see below), whose sum is σ = 41266163232. Its totient is φ = 7239667680.

The previous prime is 20130312161. The next prime is 20130312227. The reversal of 20130312202 is 20221303102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 704208 + ... + 732235.

It is an arithmetic number, because the mean of its divisors is an integer number (859711734).

Almost surely, 2^20130312202 is an apocalyptic number.

20130312202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20130312202 is an abundant number, since it is smaller than the sum of its proper divisors (21135851030).

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

20130312202 is a wasteful number, since it uses less digits than its factorization.

20130312202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436483 (or 1436476 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20130312202 its reverse (20221303102), we get a palindrome (40351615304).

The spelling of 20130312202 in words is "twenty billion, one hundred thirty million, three hundred twelve thousand, two hundred two".