20412222984 has 24 divisors (see below), whose sum is σ = 55283104110. Its totient is φ = 6804074304.

The previous prime is 20412222967. The next prime is 20412222997. The reversal of 20412222984 is 48922221402.

It can be written as a sum of positive squares in only one way, i.e., 15630500484 + 4781722500 = 125022^2 + 69150^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141751477 + ... + 141751620.

Almost surely, 2^20412222984 is an apocalyptic number.

20412222984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20412222984 is an abundant number, since it is smaller than the sum of its proper divisors (34870881126).

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

20412222984 is a wasteful number, since it uses less digits than its factorization.

20412222984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283503109 (or 283503102 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 20412222984 in words is "twenty billion, four hundred twelve million, two hundred twenty-two thousand, nine hundred eighty-four".