20012003232 has 288 divisors, whose sum is σ = 61154267328. Its totient is φ = 5692280832.

The previous prime is 20012003201. The next prime is 20012003257. The reversal of 20012003232 is 23230021002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19372188 + ... + 19373220.

It is an arithmetic number, because the mean of its divisors is an integer number (212341206).

Almost surely, 2^20012003232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20012003232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30577133664).

20012003232 is an abundant number, since it is smaller than the sum of its proper divisors (41142264096).

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

20012003232 is a wasteful number, since it uses less digits than its factorization.

20012003232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1113 counting only the distinct ones).

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

Adding to 20012003232 its reverse (23230021002), we get a palindrome (43242024234).

The spelling of 20012003232 in words is "twenty billion, twelve million, three thousand, two hundred thirty-two".