20013103232 has 32 divisors (see below), whose sum is σ = 41244684300. Its totient is φ = 9661496320.

The previous prime is 20013103223. The next prime is 20013103241. The reversal of 20013103232 is 23230131002.

It is an interprime number because it is at equal distance from previous prime (20013103223) and next prime (20013103241).

It can be written as a sum of positive squares in 2 ways, for example, as 19953257536 + 59845696 = 141256^2 + 7736^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 20013103232.

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, 2692019 + ... + 2699442.

Almost surely, 2^20013103232 is an apocalyptic number.

It is an amenable number.

20013103232 is an abundant number, since it is smaller than the sum of its proper divisors (21231581068).

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

20013103232 is an equidigital number, since it uses as much as digits as its factorization.

20013103232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391504 (or 5391492 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20013103232 its reverse (23230131002), we get a palindrome (43243234234).

The spelling of 20013103232 in words is "twenty billion, thirteen million, one hundred three thousand, two hundred thirty-two".