20202104031 has 16 divisors (see below), whose sum is σ = 27065518848. Its totient is φ = 13403427200.

The previous prime is 20202104017. The next prime is 20202104051. The reversal of 20202104031 is 13040120202.

It is a cyclic number.

It is not a de Polignac number, because 20202104031 - 2⁶ = 20202103967 is a prime.

It is a super-2 number, since 2×20202104031² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20202104031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202104051) 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, 2495911 + ... + 2503991.

It is an arithmetic number, because the mean of its divisors is an integer number (1691594928).

Almost surely, 2^20202104031 is an apocalyptic number.

20202104031 is a deficient number, since it is larger than the sum of its proper divisors (6863414817).

20202104031 is a wasteful number, since it uses less digits than its factorization.

20202104031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11982.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20202104031 its reverse (13040120202), we get a palindrome (33242224233).

The spelling of 20202104031 in words is "twenty billion, two hundred two million, one hundred four thousand, thirty-one".