202013001 has 16 divisors (see below), whose sum is σ = 302644800. Its totient is φ = 133160544.

The previous prime is 202012969. The next prime is 202013039. The reversal of 202013001 is 100310202.

It is a happy number.

It is not a de Polignac number, because 202013001 - 2⁵ = 202012969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202013401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39631 + ... + 44436.

It is an arithmetic number, because the mean of its divisors is an integer number (18915300).

Almost surely, 2^202013001 is an apocalyptic number.

It is an amenable number.

202013001 is a deficient number, since it is larger than the sum of its proper divisors (100631799).

202013001 is an equidigital number, since it uses as much as digits as its factorization.

202013001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84165 (or 84159 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 202013001 is about 14213.1277697768. The cubic root of 202013001 is about 586.7590185121.

Adding to 202013001 its reverse (100310202), we get a palindrome (302323203).

It can be divided in two parts, 20 and 2013001, that added together give a triangular number (2013021 = T₂₀₀₆).

The spelling of 202013001 in words is "two hundred two million, thirteen thousand, one".