20400230153 has 8 divisors (see below), whose sum is σ = 20449447680. Its totient is φ = 20351041200.

The previous prime is 20400230101. The next prime is 20400230173. The reversal of 20400230153 is 35103200402.

It is a happy number.

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 20400230153 - 2¹⁸ = 20399968009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20400230173) 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, 2223251 + ... + 2232407.

It is an arithmetic number, because the mean of its divisors is an integer number (2556180960).

Almost surely, 2^20400230153 is an apocalyptic number.

It is an amenable number.

20400230153 is a deficient number, since it is larger than the sum of its proper divisors (49217527).

20400230153 is an equidigital number, since it uses as much as digits as its factorization.

20400230153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14287.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20400230153 its reverse (35103200402), we get a palindrome (55503430555).

The spelling of 20400230153 in words is "twenty billion, four hundred million, two hundred thirty thousand, one hundred fifty-three".