20313002099 has 4 divisors (see below), whose sum is σ = 21875540736. Its totient is φ = 18750463464.

The previous prime is 20313002093. The next prime is 20313002141. The reversal of 20313002099 is 99020031302.

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 20313002099 - 2⁸ = 20313001843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20313002093) 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, 781269299 + ... + 781269324.

It is an arithmetic number, because the mean of its divisors is an integer number (5468885184).

Almost surely, 2^20313002099 is an apocalyptic number.

20313002099 is a deficient number, since it is larger than the sum of its proper divisors (1562538637).

20313002099 is a wasteful number, since it uses less digits than its factorization.

20313002099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562538636.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 20313002099 in words is "twenty billion, three hundred thirteen million, two thousand, ninety-nine".