20122403313 has 8 divisors (see below), whose sum is σ = 26831361088. Its totient is φ = 13414190544.

The previous prime is 20122403309. The next prime is 20122403339. The reversal of 20122403313 is 31330422102.

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

It is not a de Polignac number, because 20122403313 - 2² = 20122403309 is a prime.

It is a super-2 number, since 2×20122403313² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122403313.

It is not an unprimeable number, because it can be changed into a prime (20122403303) 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, 119845 + ... + 233682.

It is an arithmetic number, because the mean of its divisors is an integer number (3353920136).

Almost surely, 2^20122403313 is an apocalyptic number.

It is an amenable number.

20122403313 is a deficient number, since it is larger than the sum of its proper divisors (6708957775).

20122403313 is a wasteful number, since it uses less digits than its factorization.

20122403313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372503.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20122403313 its reverse (31330422102), we get a palindrome (51452825415).

The spelling of 20122403313 in words is "twenty billion, one hundred twenty-two million, four hundred three thousand, three hundred thirteen".