20302244312 has 16 divisors (see below), whose sum is σ = 43504809360. Its totient is φ = 8700961824.

The previous prime is 20302244311. The next prime is 20302244341. The reversal of 20302244312 is 21344220302.

It is a super-2 number, since 2×20302244312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302244311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181269983 + ... + 181270094.

It is an arithmetic number, because the mean of its divisors is an integer number (2719050585).

Almost surely, 2^20302244312 is an apocalyptic number.

It is an amenable number.

20302244312 is an abundant number, since it is smaller than the sum of its proper divisors (23202565048).

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

20302244312 is a wasteful number, since it uses less digits than its factorization.

20302244312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362540090 (or 362540086 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20302244312 its reverse (21344220302), we get a palindrome (41646464614).

The spelling of 20302244312 in words is "twenty billion, three hundred two million, two hundred forty-four thousand, three hundred twelve".