201013020 has 72 divisors (see below), whose sum is σ = 656650176. Its totient is φ = 49479552.

The previous prime is 201013013. The next prime is 201013063. The reversal of 201013020 is 20310102.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 201012993 and 201013011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40612 + ... + 45291.

Almost surely, 2^201013020 is an apocalyptic number.

201013020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201013020 is an abundant number, since it is smaller than the sum of its proper divisors (455637156).

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

201013020 is a wasteful number, since it uses less digits than its factorization.

201013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85931 (or 85926 counting only the distinct ones).

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

The square root of 201013020 is about 14177.9060513180. The cubic root of 201013020 is about 585.7892481036.

Adding to 201013020 its reverse (20310102), we get a palindrome (221323122).

The spelling of 201013020 in words is "two hundred one million, thirteen thousand, twenty".