10202020203 has 16 divisors (see below), whose sum is σ = 13743567360. Its totient is φ = 6731260704.

The previous prime is 10202020183. The next prime is 10202020211. The reversal of 10202020203 is 30202020201.

It is not a de Polignac number, because 10202020203 - 2¹² = 10202016107 is a prime.

It is a super-2 number, since 2×10202020203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10202027203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73225 + ... + 160517.

It is an arithmetic number, because the mean of its divisors is an integer number (858972960).

Almost surely, 2^10202020203 is an apocalyptic number.

10202020203 is a deficient number, since it is larger than the sum of its proper divisors (3541547157).

10202020203 is a wasteful number, since it uses less digits than its factorization.

10202020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87698.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 10202020203 its reverse (30202020201), we get a palindrome (40404040404).

The spelling of 10202020203 in words is "ten billion, two hundred two million, twenty thousand, two hundred three".