20001223032 has 32 divisors (see below), whose sum is σ = 57146352000. Its totient is φ = 5714635104.

The previous prime is 20001223019. The next prime is 20001223087. The reversal of 20001223032 is 23032210002.

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, 59527282 + ... + 59527617.

It is an arithmetic number, because the mean of its divisors is an integer number (1785823500).

Almost surely, 2^20001223032 is an apocalyptic number.

It is an amenable number.

20001223032 is an abundant number, since it is smaller than the sum of its proper divisors (37145128968).

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

20001223032 is a wasteful number, since it uses less digits than its factorization.

20001223032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119054915 (or 119054911 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20001223032 its reverse (23032210002), we get a palindrome (43033433034).

The spelling of 20001223032 in words is "twenty billion, one million, two hundred twenty-three thousand, thirty-two".