20332120230 has 80 divisors (see below), whose sum is σ = 55702454544. Its totient is φ = 5319587520.

The previous prime is 20332120223. The next prime is 20332120243. The reversal of 20332120230 is 3202123302.

It is a happy number.

It is a super-2 number, since 2×20332120230² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 193876 + ... + 279735.

Almost surely, 2^20332120230 is an apocalyptic number.

20332120230 is an abundant number, since it is smaller than the sum of its proper divisors (35370334314).

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

20332120230 is a wasteful number, since it uses less digits than its factorization.

20332120230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473683 (or 473674 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20332120230 its reverse (3202123302), we get a palindrome (23534243532).

The spelling of 20332120230 in words is "twenty billion, three hundred thirty-two million, one hundred twenty thousand, two hundred thirty".