20102333133 has 4 divisors (see below), whose sum is σ = 26803110848. Its totient is φ = 13401555420.

The previous prime is 20102333113. The next prime is 20102333189. The reversal of 20102333133 is 33133320102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-20102333133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102333113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3350388853 + ... + 3350388858.

It is an arithmetic number, because the mean of its divisors is an integer number (6700777712).

Almost surely, 2^20102333133 is an apocalyptic number.

It is an amenable number.

20102333133 is a deficient number, since it is larger than the sum of its proper divisors (6700777715).

20102333133 is an equidigital number, since it uses as much as digits as its factorization.

20102333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700777714.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20102333133 its reverse (33133320102), we get a palindrome (53235653235).

The spelling of 20102333133 in words is "twenty billion, one hundred two million, three hundred thirty-three thousand, one hundred thirty-three".