20253133233 has 12 divisors (see below), whose sum is σ = 29527933968. Its totient is φ = 13375900440.

The previous prime is 20253133211. The next prime is 20253133247. The reversal of 20253133233 is 33233135202.

20253133233 is a `hidden beast` number, since 2 + 0 + 25 + 313 + 323 + 3 = 666.

It is not a de Polignac number, because 20253133233 - 2¹⁰ = 20253132209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20253133197 and 20253133206.

It is not an unprimeable number, because it can be changed into a prime (20253133283) 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, 10514683 + ... + 10516608.

It is an arithmetic number, because the mean of its divisors is an integer number (2460661164).

Almost surely, 2^20253133233 is an apocalyptic number.

It is an amenable number.

20253133233 is a deficient number, since it is larger than the sum of its proper divisors (9274800735).

20253133233 is a wasteful number, since it uses less digits than its factorization.

20253133233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21031404 (or 21031401 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 27.

Adding to 20253133233 its reverse (33233135202), we get a palindrome (53486268435).

The spelling of 20253133233 in words is "twenty billion, two hundred fifty-three million, one hundred thirty-three thousand, two hundred thirty-three".