202120221010 has 32 divisors (see below), whose sum is σ = 366420529152. Its totient is φ = 80269963200.

The previous prime is 202120220993. The next prime is 202120221053. The reversal of 202120221010 is 10122021202.

It is a happy number.

It is a super-2 number, since 2×202120221010² (a number of 23 digits) contains 22 as substring.

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, 2884207 + ... + 2953453.

It is an arithmetic number, because the mean of its divisors is an integer number (11450641536).

Almost surely, 2^202120221010 is an apocalyptic number.

202120221010 is a deficient number, since it is larger than the sum of its proper divisors (164300308142).

202120221010 is a wasteful number, since it uses less digits than its factorization.

202120221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71338.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202120221010 its reverse (10122021202), we get a palindrome (212242242212).

The spelling of 202120221010 in words is "two hundred two billion, one hundred twenty million, two hundred twenty-one thousand, ten".