20253032253 has 12 divisors (see below), whose sum is σ = 29255696028. Its totient is φ = 13501414080.

The previous prime is 20253032203. The next prime is 20253032257. The reversal of 20253032253 is 35223035202.

It can be written as a sum of positive squares in 2 ways, for example, as 12890877444 + 7362154809 = 113538^2 + 85803^2 .

It is not a de Polignac number, because 20253032253 - 2¹² = 20253028157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20253032257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262473 + ... + 330753.

It is an arithmetic number, because the mean of its divisors is an integer number (2437974669).

Almost surely, 2^20253032253 is an apocalyptic number.

It is an amenable number.

20253032253 is a deficient number, since it is larger than the sum of its proper divisors (9002663775).

20253032253 is a wasteful number, since it uses less digits than its factorization.

20253032253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101244 (or 101241 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

Adding to 20253032253 its reverse (35223035202), we get a palindrome (55476067455).

The spelling of 20253032253 in words is "twenty billion, two hundred fifty-three million, thirty-two thousand, two hundred fifty-three".