2040220401 has 16 divisors (see below), whose sum is σ = 2736733440. Its totient is φ = 1351944720.

The previous prime is 2040220387. The next prime is 2040220411. The reversal of 2040220401 is 1040220402.

It is not a de Polignac number, because 2040220401 - 2¹⁷ = 2040089329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040220411) 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, 643446 + ... + 646608.

It is an arithmetic number, because the mean of its divisors is an integer number (171045840).

Almost surely, 2^2040220401 is an apocalyptic number.

It is an amenable number.

2040220401 is a deficient number, since it is larger than the sum of its proper divisors (696513039).

2040220401 is a wasteful number, since it uses less digits than its factorization.

2040220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2040220401 is about 45168.7989767273. The cubic root of 2040220401 is about 1268.3108137632.

Adding to 2040220401 its reverse (1040220402), we get a palindrome (3080440803).

Subtracting from 2040220401 its reverse (1040220402), we obtain a palindrome (999999999).

The spelling of 2040220401 in words is "two billion, forty million, two hundred twenty thousand, four hundred one".