20340520233 has 24 divisors (see below), whose sum is σ = 29916585888. Its totient is φ = 12283656000.

The previous prime is 20340520231. The next prime is 20340520241. The reversal of 20340520233 is 33202504302.

It is not a de Polignac number, because 20340520233 - 2¹ = 20340520231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20340520231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2298 + ... + 201708.

It is an arithmetic number, because the mean of its divisors is an integer number (1246524412).

Almost surely, 2^20340520233 is an apocalyptic number.

It is an amenable number.

20340520233 is a deficient number, since it is larger than the sum of its proper divisors (9576065655).

20340520233 is a wasteful number, since it uses less digits than its factorization.

20340520233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199717 (or 199706 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The spelling of 20340520233 in words is "twenty billion, three hundred forty million, five hundred twenty thousand, two hundred thirty-three".