201020013020 has 12 divisors (see below), whose sum is σ = 422142027384. Its totient is φ = 80408005200.

The previous prime is 201020013011. The next prime is 201020013049. The reversal of 201020013020 is 20310020102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201020012992 and 201020013010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5025500306 + ... + 5025500345.

It is an arithmetic number, because the mean of its divisors is an integer number (35178502282).

Almost surely, 2^201020013020 is an apocalyptic number.

201020013020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201020013020 is an abundant number, since it is smaller than the sum of its proper divisors (221122014364).

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

201020013020 is a wasteful number, since it uses less digits than its factorization.

201020013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051000660 (or 10051000658 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 201020013020 its reverse (20310020102), we get a palindrome (221330033122).

The spelling of 201020013020 in words is "two hundred one billion, twenty million, thirteen thousand, twenty".