20465031401 has 8 divisors (see below), whose sum is σ = 20832583200. Its totient is φ = 20098169280.

The previous prime is 20465031371. The next prime is 20465031427. The reversal of 20465031401 is 10413056402.

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 20465031401 - 2³⁴ = 3285162217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20465033401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112355 + ... + 231416.

It is an arithmetic number, because the mean of its divisors is an integer number (2604072900).

Almost surely, 2^20465031401 is an apocalyptic number.

It is an amenable number.

20465031401 is a deficient number, since it is larger than the sum of its proper divisors (367551799).

20465031401 is a wasteful number, since it uses less digits than its factorization.

20465031401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344839.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20465031401 its reverse (10413056402), we get a palindrome (30878087803).

The spelling of 20465031401 in words is "twenty billion, four hundred sixty-five million, thirty-one thousand, four hundred one".