20001232231204 has 48 divisors (see below), whose sum is σ = 40023303738880. Its totient is φ = 8567492083200.

The previous prime is 20001232231171. The next prime is 20001232231247. The reversal of 20001232231204 is 40213223210002.

It is a super-2 number, since 2×20001232231204² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709224304 + ... + 709252504.

Almost surely, 2^{20001232231204} is an apocalyptic number.

It is an amenable number.

20001232231204 is an abundant number, since it is smaller than the sum of its proper divisors (20022071507676).

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

20001232231204 is a wasteful number, since it uses less digits than its factorization.

20001232231204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40508 (or 40506 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20001232231204 its reverse (40213223210002), we get a palindrome (60214455441206).

The spelling of 20001232231204 in words is "twenty trillion, one billion, two hundred thirty-two million, two hundred thirty-one thousand, two hundred four".