20301311212 has 48 divisors (see below), whose sum is σ = 44792419392. Its totient is φ = 7835397120.

The previous prime is 20301311207. The next prime is 20301311221. The reversal of 20301311212 is 21211310302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665233 + ... + 695080.

It is an arithmetic number, because the mean of its divisors is an integer number (933175404).

Almost surely, 2^20301311212 is an apocalyptic number.

It is an amenable number.

20301311212 is an abundant number, since it is smaller than the sum of its proper divisors (24491108180).

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

20301311212 is a wasteful number, since it uses less digits than its factorization.

20301311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360378 (or 1360376 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20301311212 its reverse (21211310302), we get a palindrome (41512621514).

The spelling of 20301311212 in words is "twenty billion, three hundred one million, three hundred eleven thousand, two hundred twelve".