20313455501 has 8 divisors (see below), whose sum is σ = 20662588800. Its totient is φ = 19965673728.

The previous prime is 20313455443. The next prime is 20313455521. The reversal of 20313455501 is 10555431302.

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 20313455501 - 2³⁰ = 19239713677 is a prime.

It is a super-2 number, since 2×20313455501² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313455521) 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, 307541 + ... + 367706.

It is an arithmetic number, because the mean of its divisors is an integer number (2582823600).

Almost surely, 2^20313455501 is an apocalyptic number.

It is an amenable number.

20313455501 is a deficient number, since it is larger than the sum of its proper divisors (349133299).

20313455501 is an equidigital number, since it uses as much as digits as its factorization.

20313455501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675763.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 20313455501 its reverse (10555431302), we get a palindrome (30868886803).

The spelling of 20313455501 in words is "twenty billion, three hundred thirteen million, four hundred fifty-five thousand, five hundred one".