20122041401 has 16 divisors (see below), whose sum is σ = 25145468928. Its totient is φ = 15643107600.

The previous prime is 20122041397. The next prime is 20122041403. The reversal of 20122041401 is 10414022102.

It is a cyclic number.

It is not a de Polignac number, because 20122041401 - 2² = 20122041397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122041401.

It is not an unprimeable number, because it can be changed into a prime (20122041403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269975 + ... + 336348.

It is an arithmetic number, because the mean of its divisors is an integer number (1571591808).

Almost surely, 2^20122041401 is an apocalyptic number.

It is an amenable number.

20122041401 is a deficient number, since it is larger than the sum of its proper divisors (5023427527).

20122041401 is a wasteful number, since it uses less digits than its factorization.

20122041401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606772.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20122041401 its reverse (10414022102), we get a palindrome (30536063503).

The spelling of 20122041401 in words is "twenty billion, one hundred twenty-two million, forty-one thousand, four hundred one".