202120000010 has 8 divisors (see below), whose sum is σ = 363816000036. Its totient is φ = 80848000000.

The previous prime is 202119999989. The next prime is 202120000013. The reversal of 202120000010 is 10000021202.

It can be written as a sum of positive squares in 2 ways, for example, as 199577521081 + 2542478929 = 446741^2 + 50423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (202120000013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10105999991 + ... + 10106000010.

Almost surely, 2^202120000010 is an apocalyptic number.

202120000010 is a deficient number, since it is larger than the sum of its proper divisors (161696000026).

202120000010 is a wasteful number, since it uses less digits than its factorization.

202120000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20212000008.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 202120000010 its reverse (10000021202), we get a palindrome (212120021212).

The spelling of 202120000010 in words is "two hundred two billion, one hundred twenty million, ten", and thus it is an aban number.