20322231401 has 8 divisors (see below), whose sum is σ = 20439853920. Its totient is φ = 20204654688.

The previous prime is 20322231379. The next prime is 20322231427. The reversal of 20322231401 is 10413222302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20322231401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20322231491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319990 + ... + 1335296.

It is an arithmetic number, because the mean of its divisors is an integer number (2554981740).

Almost surely, 2^20322231401 is an apocalyptic number.

It is an amenable number.

20322231401 is a deficient number, since it is larger than the sum of its proper divisors (117622519).

20322231401 is a wasteful number, since it uses less digits than its factorization.

20322231401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22903.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20322231401 its reverse (10413222302), we get a palindrome (30735453703).

Subtracting from 20322231401 its reverse (10413222302), we obtain a palindrome (9909009099).

The spelling of 20322231401 in words is "twenty billion, three hundred twenty-two million, two hundred thirty-one thousand, four hundred one".