20004023196 has 24 divisors (see below), whose sum is σ = 51862282640. Its totient is φ = 6668007696.

The previous prime is 20004023183. The next prime is 20004023239. The reversal of 20004023196 is 69132040002.

It is a super-2 number, since 2×20004023196² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92611111 + ... + 92611326.

Almost surely, 2^20004023196 is an apocalyptic number.

It is an amenable number.

20004023196 is an abundant number, since it is smaller than the sum of its proper divisors (31858259444).

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

20004023196 is a wasteful number, since it uses less digits than its factorization.

20004023196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185222450 (or 185222442 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 20004023196 its reverse (69132040002), we get a palindrome (89136063198).

The spelling of 20004023196 in words is "twenty billion, four million, twenty-three thousand, one hundred ninety-six".