20834057233 has 4 divisors (see below), whose sum is σ = 22728062448. Its totient is φ = 18940052020.

The previous prime is 20834057227. The next prime is 20834057269. The reversal of 20834057233 is 33275043802.

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 cyclic number.

It is not a de Polignac number, because 20834057233 - 2¹⁷ = 20833926161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20834057192 and 20834057201.

It is not an unprimeable number, because it can be changed into a prime (20834057203) 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, 947002591 + ... + 947002612.

It is an arithmetic number, because the mean of its divisors is an integer number (5682015612).

Almost surely, 2^20834057233 is an apocalyptic number.

It is an amenable number.

20834057233 is a deficient number, since it is larger than the sum of its proper divisors (1894005215).

20834057233 is a wasteful number, since it uses less digits than its factorization.

20834057233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894005214.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 20834057233 in words is "twenty billion, eight hundred thirty-four million, fifty-seven thousand, two hundred thirty-three".