20222678712 has 64 divisors (see below), whose sum is σ = 53577223200. Its totient is φ = 6338846720.

The previous prime is 20222678659. The next prime is 20222678713. The reversal of 20222678712 is 21787622202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222678713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460864 + ... + 502832.

Almost surely, 2^20222678712 is an apocalyptic number.

It is an amenable number.

20222678712 is an abundant number, since it is smaller than the sum of its proper divisors (33354544488).

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

20222678712 is a wasteful number, since it uses less digits than its factorization.

20222678712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43176 (or 43172 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 20222678712 in words is "twenty billion, two hundred twenty-two million, six hundred seventy-eight thousand, seven hundred twelve".