20236246401 has 8 divisors (see below), whose sum is σ = 30836185024. Its totient is φ = 11563569360.

The previous prime is 20236246397. The next prime is 20236246403. The reversal of 20236246401 is 10464263202.

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

It is not a de Polignac number, because 20236246401 - 2² = 20236246397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20236246403) 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, 481815370 + ... + 481815411.

It is an arithmetic number, because the mean of its divisors is an integer number (3854523128).

Almost surely, 2^20236246401 is an apocalyptic number.

20236246401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20236246401 is a deficient number, since it is larger than the sum of its proper divisors (10599938623).

20236246401 is an equidigital number, since it uses as much as digits as its factorization.

20236246401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963630791.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 20236246401 in words is "twenty billion, two hundred thirty-six million, two hundred forty-six thousand, four hundred one".