20023413313 has 4 divisors (see below), whose sum is σ = 20217815488. Its totient is φ = 19829011140.

The previous prime is 20023413259. The next prime is 20023413343. The reversal of 20023413313 is 31331432002.

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 20023413313 - 2¹³ = 20023405121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023413343) 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, 97200933 + ... + 97201138.

It is an arithmetic number, because the mean of its divisors is an integer number (5054453872).

Almost surely, 2^20023413313 is an apocalyptic number.

It is an amenable number.

20023413313 is a deficient number, since it is larger than the sum of its proper divisors (194402175).

20023413313 is a wasteful number, since it uses less digits than its factorization.

20023413313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194402174.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20023413313 its reverse (31331432002), we get a palindrome (51354845315).

The spelling of 20023413313 in words is "twenty billion, twenty-three million, four hundred thirteen thousand, three hundred thirteen".