20120030231 has 8 divisors (see below), whose sum is σ = 22996380960. Its totient is φ = 17244194688.

The previous prime is 20120030207. The next prime is 20120030251. The reversal of 20120030231 is 13203002102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20120030231 - 2⁶ = 20120030167 is a prime.

It is a super-2 number, since 2×20120030231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120030251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41126 + ... + 204771.

It is an arithmetic number, because the mean of its divisors is an integer number (2874547620).

Almost surely, 2^20120030231 is an apocalyptic number.

20120030231 is a deficient number, since it is larger than the sum of its proper divisors (2876350729).

20120030231 is a wasteful number, since it uses less digits than its factorization.

20120030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257593.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20120030231 its reverse (13203002102), we get a palindrome (33323032333).

The spelling of 20120030231 in words is "twenty billion, one hundred twenty million, thirty thousand, two hundred thirty-one".