20313626145 has 32 divisors (see below), whose sum is σ = 35063010432. Its totient is φ = 10004247552.

The previous prime is 20313626131. The next prime is 20313626149. The reversal of 20313626145 is 54162631302.

It is not a de Polignac number, because 20313626145 - 2⁴ = 20313626129 is a prime.

It is a super-2 number, since 2×20313626145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20313626149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 738007 + ... + 765036.

It is an arithmetic number, because the mean of its divisors is an integer number (1095719076).

Almost surely, 2^20313626145 is an apocalyptic number.

It is an amenable number.

20313626145 is a deficient number, since it is larger than the sum of its proper divisors (14749384287).

20313626145 is a wasteful number, since it uses less digits than its factorization.

20313626145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503121.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 20313626145 in words is "twenty billion, three hundred thirteen million, six hundred twenty-six thousand, one hundred forty-five".