20000022001968 has 20 divisors (see below), whose sum is σ = 51666723505208. Its totient is φ = 6666674000640.

The previous prime is 20000022001957. The next prime is 20000022001969. The reversal of 20000022001968 is 86910022000002.

It is a super-3 number, since 3×20000022001968³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20000022001969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208333562473 + ... + 208333562568.

Almost surely, 2^{20000022001968} is an apocalyptic number.

It is an amenable number.

20000022001968 is an abundant number, since it is smaller than the sum of its proper divisors (31666701503240).

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

20000022001968 is a wasteful number, since it uses less digits than its factorization.

20000022001968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416667125052 (or 416667125046 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 20000022001968 in words is "twenty trillion, twenty-two million, one thousand, nine hundred sixty-eight".