202020020212 has 12 divisors (see below), whose sum is σ = 353666528740. Its totient is φ = 100972440576.

The previous prime is 202020020177. The next prime is 202020020227. The reversal of 202020020212 is 212020020202.

It can be written as a sum of positive squares in 2 ways, for example, as 2938073616 + 199081946596 = 54204^2 + 446186^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202020020192 and 202020020201.

It is a congruent number.

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, 9380283 + ... + 9401794.

Almost surely, 2^202020020212 is an apocalyptic number.

It is an amenable number.

202020020212 is a deficient number, since it is larger than the sum of its proper divisors (151646508528).

202020020212 is a wasteful number, since it uses less digits than its factorization.

202020020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18784770 (or 18784768 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 202020020212 its reverse (212020020202), we get a palindrome (414040040414).

The spelling of 202020020212 in words is "two hundred two billion, twenty million, twenty thousand, two hundred twelve".