202020203122 has 16 divisors (see below), whose sum is σ = 303304824000. Its totient is φ = 100918632880.

The previous prime is 202020203113. The next prime is 202020203123. The reversal of 202020203122 is 221302020202.

It is a junction number, because it is equal to n+sod(n) for n = 202020203096 and 202020203105.

It is not an unprimeable number, because it can be changed into a prime (202020203123) 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, 16957704 + ... + 16969612.

It is an arithmetic number, because the mean of its divisors is an integer number (18956551500).

Almost surely, 2^202020203122 is an apocalyptic number.

202020203122 is a deficient number, since it is larger than the sum of its proper divisors (101284620878).

202020203122 is a wasteful number, since it uses less digits than its factorization.

202020203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18881.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 202020203122 its reverse (221302020202), we get a palindrome (423322223324).

The spelling of 202020203122 in words is "two hundred two billion, twenty million, two hundred three thousand, one hundred twenty-two".