20012032232 has 16 divisors (see below), whose sum is σ = 38536684260. Its totient is φ = 9735583104.

The previous prime is 20012032217. The next prime is 20012032241. The reversal of 20012032232 is 23223021002.

It can be written as a sum of positive squares in 2 ways, for example, as 15824130436 + 4187901796 = 125794^2 + 64714^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20012032232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33803813 + ... + 33804404.

Almost surely, 2^20012032232 is an apocalyptic number.

It is an amenable number.

20012032232 is a deficient number, since it is larger than the sum of its proper divisors (18524652028).

20012032232 is a wasteful number, since it uses less digits than its factorization.

20012032232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67608260 (or 67608256 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20012032232 its reverse (23223021002), we get a palindrome (43235053234).

The spelling of 20012032232 in words is "twenty billion, twelve million, thirty-two thousand, two hundred thirty-two".