20031512241 has 16 divisors (see below), whose sum is σ = 28765759680. Its totient is φ = 12325986240.

The previous prime is 20031512227. The next prime is 20031512297. The reversal of 20031512241 is 14221513002.

It is not a de Polignac number, because 20031512241 - 2⁵ = 20031512209 is a prime.

It is a super-2 number, since 2×20031512241² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20031512201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756811 + ... + 782831.

It is an arithmetic number, because the mean of its divisors is an integer number (1797859980).

Almost surely, 2^20031512241 is an apocalyptic number.

It is an amenable number.

20031512241 is a deficient number, since it is larger than the sum of its proper divisors (8734247439).

20031512241 is a wasteful number, since it uses less digits than its factorization.

20031512241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45776.

The product of its (nonzero) digits is 480, while the sum is 21.

The spelling of 20031512241 in words is "twenty billion, thirty-one million, five hundred twelve thousand, two hundred forty-one".