20203020131 has 16 divisors (see below), whose sum is σ = 24322383360. Its totient is φ = 16393311360.

The previous prime is 20203020083. The next prime is 20203020179. The reversal of 20203020131 is 13102030202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20203020083) and next prime (20203020179).

It is a cyclic number.

It is not a de Polignac number, because 20203020131 - 2¹⁰ = 20203019107 is a prime.

It is a super-2 number, since 2×20203020131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20203020631) 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, 126251 + ... + 237371.

It is an arithmetic number, because the mean of its divisors is an integer number (1520148960).

Almost surely, 2^20203020131 is an apocalyptic number.

20203020131 is a deficient number, since it is larger than the sum of its proper divisors (4119363229).

20203020131 is a wasteful number, since it uses less digits than its factorization.

20203020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112514.

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

Adding to 20203020131 its reverse (13102030202), we get a palindrome (33305050333).

The spelling of 20203020131 in words is "twenty billion, two hundred three million, twenty thousand, one hundred thirty-one".