20040211401 has 8 divisors (see below), whose sum is σ = 30537465024. Its totient is φ = 11451549360.

The previous prime is 20040211391. The next prime is 20040211409. The reversal of 20040211401 is 10411204002.

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

It is not a de Polignac number, because 20040211401 - 2⁵ = 20040211369 is a prime.

It is a super-2 number, since 2×20040211401² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20040211409) 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, 477147870 + ... + 477147911.

It is an arithmetic number, because the mean of its divisors is an integer number (3817183128).

Almost surely, 2^20040211401 is an apocalyptic number.

20040211401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20040211401 is a deficient number, since it is larger than the sum of its proper divisors (10497253623).

20040211401 is an equidigital number, since it uses as much as digits as its factorization.

20040211401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954295791.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20040211401 its reverse (10411204002), we get a palindrome (30451415403).

The spelling of 20040211401 in words is "twenty billion, forty million, two hundred eleven thousand, four hundred one".