20326261235 has 8 divisors (see below), whose sum is σ = 27876015456. Its totient is φ = 13938007680.

The previous prime is 20326261231. The next prime is 20326261243. The reversal of 20326261235 is 53216262302.

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

It is not a de Polignac number, because 20326261235 - 2² = 20326261231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20326261231) 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, 290375126 + ... + 290375195.

It is an arithmetic number, because the mean of its divisors is an integer number (3484501932).

Almost surely, 2^20326261235 is an apocalyptic number.

20326261235 is a deficient number, since it is larger than the sum of its proper divisors (7549754221).

20326261235 is an equidigital number, since it uses as much as digits as its factorization.

20326261235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580750333.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 20326261235 in words is "twenty billion, three hundred twenty-six million, two hundred sixty-one thousand, two hundred thirty-five".