20123402222401 has 8 divisors (see below), whose sum is σ = 20611703296800. Its totient is φ = 19640008696800.

The previous prime is 20123402222389. The next prime is 20123402222411. The reversal of 20123402222401 is 10422220432102.

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-20123402222401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123402222411) 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, 1226878900 + ... + 1226895301.

It is an arithmetic number, because the mean of its divisors is an integer number (2576462912100).

Almost surely, 2^{20123402222401} is an apocalyptic number.

It is an amenable number.

20123402222401 is a deficient number, since it is larger than the sum of its proper divisors (488301074399).

20123402222401 is a wasteful number, since it uses less digits than its factorization.

20123402222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453774399.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20123402222401 its reverse (10422220432102), we get a palindrome (30545622654503).

The spelling of 20123402222401 in words is "twenty trillion, one hundred twenty-three billion, four hundred two million, two hundred twenty-two thousand, four hundred one".