20210131203 has 8 divisors (see below), whose sum is σ = 26967719616. Its totient is φ = 13462981800.

The previous prime is 20210131181. The next prime is 20210131213. The reversal of 20210131203 is 30213101202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20210131203 - 2¹² = 20210127107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20210131213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2605233 + ... + 2612978.

It is an arithmetic number, because the mean of its divisors is an integer number (3370964952).

Almost surely, 2^20210131203 is an apocalyptic number.

20210131203 is a deficient number, since it is larger than the sum of its proper divisors (6757588413).

20210131203 is a wasteful number, since it uses less digits than its factorization.

20210131203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219505.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20210131203 its reverse (30213101202), we get a palindrome (50423232405).

The spelling of 20210131203 in words is "twenty billion, two hundred ten million, one hundred thirty-one thousand, two hundred three".