20203101232 has 20 divisors (see below), whose sum is σ = 39252554640. Its totient is φ = 10073409728.

The previous prime is 20203101229. The next prime is 20203101239. The reversal of 20203101232 is 23210130202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (20203101239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752883 + ... + 1764370.

It is an arithmetic number, because the mean of its divisors is an integer number (1962627732).

Almost surely, 2^20203101232 is an apocalyptic number.

It is an amenable number.

20203101232 is a deficient number, since it is larger than the sum of its proper divisors (19049453408).

20203101232 is a wasteful number, since it uses less digits than its factorization.

20203101232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517620 (or 3517614 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20203101232 its reverse (23210130202), we get a palindrome (43413231434).

The spelling of 20203101232 in words is "twenty billion, two hundred three million, one hundred one thousand, two hundred thirty-two".