110020401 has 12 divisors (see below), whose sum is σ = 160834128. Its totient is φ = 72462744.

The previous prime is 110020397. The next prime is 110020423. The reversal of 110020401 is 104020011.

It is a happy number.

It is not a de Polignac number, because 110020401 - 2² = 110020397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (110020301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72895 + ... + 74388.

It is an arithmetic number, because the mean of its divisors is an integer number (13402844).

Almost surely, 2^110020401 is an apocalyptic number.

It is an amenable number.

110020401 is a deficient number, since it is larger than the sum of its proper divisors (50813727).

110020401 is a wasteful number, since it uses less digits than its factorization.

110020401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147372 (or 147369 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 110020401 is about 10489.0610161253. The cubic root of 110020401 is about 479.1716050136.

Adding to 110020401 its reverse (104020011), we get a palindrome (214040412).

The spelling of 110020401 in words is "one hundred ten million, twenty thousand, four hundred one".