201002202120 has 64 divisors (see below), whose sum is σ = 606492256320. Its totient is φ = 53290751744.

The previous prime is 201002202119. The next prime is 201002202179. The reversal of 201002202120 is 21202200102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201002202096 and 201002202105.

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, 4820334 + ... + 4861853.

It is an arithmetic number, because the mean of its divisors is an integer number (9476441505).

Almost surely, 2^201002202120 is an apocalyptic number.

201002202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002202120 is an abundant number, since it is smaller than the sum of its proper divisors (405490054200).

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

201002202120 is a wasteful number, since it uses less digits than its factorization.

201002202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9682374 (or 9682370 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 201002202120 its reverse (21202200102), we get a palindrome (222204402222).

The spelling of 201002202120 in words is "two hundred one billion, two million, two hundred two thousand, one hundred twenty".