20196346164 has 12 divisors (see below), whose sum is σ = 47124807744. Its totient is φ = 6732115384.

The previous prime is 20196346099. The next prime is 20196346189. The reversal of 20196346164 is 46164369102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20196346164² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841514412 + ... + 841514435.

It is an arithmetic number, because the mean of its divisors is an integer number (3927067312).

Almost surely, 2^20196346164 is an apocalyptic number.

It is an amenable number.

20196346164 is an abundant number, since it is smaller than the sum of its proper divisors (26928461580).

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

20196346164 is a wasteful number, since it uses less digits than its factorization.

20196346164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683028854 (or 1683028852 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 20196346164 in words is "twenty billion, one hundred ninety-six million, three hundred forty-six thousand, one hundred sixty-four".