20122022986 has 8 divisors (see below), whose sum is σ = 32504806404. Its totient is φ = 9287087520.

The previous prime is 20122022957. The next prime is 20122022993. The reversal of 20122022986 is 68922022102.

It can be written as a sum of positive squares in 2 ways, for example, as 20112628761 + 9394225 = 141819^2 + 3065^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20122022986² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 386961955 + ... + 386962006.

Almost surely, 2^20122022986 is an apocalyptic number.

20122022986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20122022986 is a deficient number, since it is larger than the sum of its proper divisors (12382783418).

20122022986 is a wasteful number, since it uses less digits than its factorization.

20122022986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773923976.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 20122022986 in words is "twenty billion, one hundred twenty-two million, twenty-two thousand, nine hundred eighty-six".