20213301312 has 42 divisors (see below), whose sum is σ = 57937780238. Its totient is φ = 6737766912.

The previous prime is 20213301299. The next prime is 20213301377. The reversal of 20213301312 is 21310331202.

20213301312 is a `hidden beast` number, since 2 + 0 + 21 + 330 + 1 + 312 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18186140736 + 2027160576 = 134856^2 + 45024^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17545693 + ... + 17546844.

Almost surely, 2^20213301312 is an apocalyptic number.

It is an amenable number.

20213301312 is an abundant number, since it is smaller than the sum of its proper divisors (37724478926).

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

20213301312 is a wasteful number, since it uses less digits than its factorization.

20213301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35092555 (or 35092542 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20213301312 its reverse (21310331202), we get a palindrome (41523632514).

The spelling of 20213301312 in words is "twenty billion, two hundred thirteen million, three hundred one thousand, three hundred twelve".