20233107499 has 4 divisors (see below), whose sum is σ = 22072480920. Its totient is φ = 18393734080.

The previous prime is 20233107431. The next prime is 20233107551. The reversal of 20233107499 is 99470133202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20233107499 - 2²⁵ = 20199553067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20233107599) 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, 919686694 + ... + 919686715.

It is an arithmetic number, because the mean of its divisors is an integer number (5518120230).

Almost surely, 2^20233107499 is an apocalyptic number.

20233107499 is a deficient number, since it is larger than the sum of its proper divisors (1839373421).

20233107499 is a wasteful number, since it uses less digits than its factorization.

20233107499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839373420.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 20233107499 in words is "twenty billion, two hundred thirty-three million, one hundred seven thousand, four hundred ninety-nine".