202120222010 has 96 divisors (see below), whose sum is σ = 425705498640. Its totient is φ = 68891762688.

The previous prime is 202120222009. The next prime is 202120222019. The reversal of 202120222010 is 10222021202.

It can be written as a sum of positive squares in 8 ways, for example, as 41132301721 + 160987920289 = 202811^2 + 401233^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (202120222019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73416794 + ... + 73419546.

Almost surely, 2^202120222010 is an apocalyptic number.

202120222010 is an abundant number, since it is smaller than the sum of its proper divisors (223585276630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202120222010 is a wasteful number, since it uses less digits than its factorization.

202120222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202120222010 its reverse (10222021202), we get a palindrome (212342243212).

The spelling of 202120222010 in words is "two hundred two billion, one hundred twenty million, two hundred twenty-two thousand, ten".