20303023413 has 8 divisors (see below), whose sum is σ = 27730958976. Its totient is φ = 13205218400.

The previous prime is 20303023399. The next prime is 20303023417. The reversal of 20303023413 is 31432030302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20303023413 - 2⁴ = 20303023397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20303023413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303023417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82532493 + ... + 82532738.

It is an arithmetic number, because the mean of its divisors is an integer number (3466369872).

Almost surely, 2^20303023413 is an apocalyptic number.

It is an amenable number.

20303023413 is a deficient number, since it is larger than the sum of its proper divisors (7427935563).

20303023413 is a wasteful number, since it uses less digits than its factorization.

20303023413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165065275.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20303023413 its reverse (31432030302), we get a palindrome (51735053715).

The spelling of 20303023413 in words is "twenty billion, three hundred three million, twenty-three thousand, four hundred thirteen".