20213202412 has 18 divisors (see below), whose sum is σ = 38303421828. Its totient is φ = 9329170032.

The previous prime is 20213202407. The next prime is 20213202431. The reversal of 20213202412 is 21420231202.

It is a self number, because there is not a number n which added to its sum of digits gives 20213202412.

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, 14949918 + ... + 14951269.

Almost surely, 2^20213202412 is an apocalyptic number.

It is an amenable number.

20213202412 is a deficient number, since it is larger than the sum of its proper divisors (18090219416).

20213202412 is a wasteful number, since it uses less digits than its factorization.

20213202412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29901217 (or 29901202 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20213202412 its reverse (21420231202), we get a palindrome (41633433614).

The spelling of 20213202412 in words is "twenty billion, two hundred thirteen million, two hundred two thousand, four hundred twelve".