20020212168 has 64 divisors (see below), whose sum is σ = 54613120320. Its totient is φ = 6065337600.

The previous prime is 20020212097. The next prime is 20020212169. The reversal of 20020212168 is 86121202002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20020212169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2265198 + ... + 2274018.

It is an arithmetic number, because the mean of its divisors is an integer number (853330005).

Almost surely, 2^20020212168 is an apocalyptic number.

It is an amenable number.

20020212168 is an abundant number, since it is smaller than the sum of its proper divisors (34592908152).

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

20020212168 is a wasteful number, since it uses less digits than its factorization.

20020212168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17438 (or 17434 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The spelling of 20020212168 in words is "twenty billion, twenty million, two hundred twelve thousand, one hundred sixty-eight".