202120022 has 32 divisors (see below), whose sum is σ = 335567232. Its totient is φ = 90722304.

The previous prime is 202119989. The next prime is 202120091. The reversal of 202120022 is 220021202.

It is a junction number, because it is equal to n+sod(n) for n = 202119985 and 202120012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235418 + ... + 236274.

It is an arithmetic number, because the mean of its divisors is an integer number (10486476).

Almost surely, 2^202120022 is an apocalyptic number.

202120022 is a deficient number, since it is larger than the sum of its proper divisors (133447210).

202120022 is a wasteful number, since it uses less digits than its factorization.

202120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 202120022 is about 14216.8921357658. The cubic root of 202120022 is about 586.8626165491.

Adding to 202120022 its reverse (220021202), we get a palindrome (422141224).

The spelling of 202120022 in words is "two hundred two million, one hundred twenty thousand, twenty-two".