201003013020020 has 12 divisors (see below), whose sum is σ = 422106327342084. Its totient is φ = 80401205208000.

The previous prime is 201003013019953. The next prime is 201003013020053. The reversal of 201003013020020 is 20020310300102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 143606812763236 + 57396200256784 = 11983606^2 + 7576028^2 .

It is a super-2 number, since 2×201003013020020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201003013019977 and 201003013020004.

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, 5025075325481 + ... + 5025075325520.

It is an arithmetic number, because the mean of its divisors is an integer number (35175527278507).

Almost surely, 2^{201003013020020} is an apocalyptic number.

201003013020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201003013020020 is an abundant number, since it is smaller than the sum of its proper divisors (221103314322064).

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

201003013020020 is a wasteful number, since it uses less digits than its factorization.

201003013020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050150651010 (or 10050150651008 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 201003013020020 its reverse (20020310300102), we get a palindrome (221023323320122).

The spelling of 201003013020020 in words is "two hundred one trillion, three billion, thirteen million, twenty thousand, twenty".