20327603523 has 8 divisors (see below), whose sum is σ = 27446553600. Its totient is φ = 13380194568.

The previous prime is 20327603507. The next prime is 20327603537. The reversal of 20327603523 is 32530672302.

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

It is not a de Polignac number, because 20327603523 - 2⁴ = 20327603507 is a prime.

It is a super-2 number, since 2×20327603523² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20327603423) 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, 42885003 + ... + 42885476.

It is an arithmetic number, because the mean of its divisors is an integer number (3430819200).

Almost surely, 2^20327603523 is an apocalyptic number.

20327603523 is a deficient number, since it is larger than the sum of its proper divisors (7118950077).

20327603523 is an equidigital number, since it uses as much as digits as its factorization.

20327603523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85770561.

The product of its (nonzero) digits is 45360, while the sum is 33.

The spelling of 20327603523 in words is "twenty billion, three hundred twenty-seven million, six hundred three thousand, five hundred twenty-three".