110020399 has 4 divisors (see below), whose sum is σ = 110078136. Its totient is φ = 109962664.

The previous prime is 110020397. The next prime is 110020423. The reversal of 110020399 is 993020011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993020011 = 1093 ⋅908527.

It is a cyclic number.

It is not a de Polignac number, because 110020399 - 2¹ = 110020397 is a prime.

It is a super-2 number, since 2×110020399² = 24208976392238402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110020397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25909 + ... + 29854.

It is an arithmetic number, because the mean of its divisors is an integer number (27519534).

Almost surely, 2^110020399 is an apocalyptic number.

110020399 is a deficient number, since it is larger than the sum of its proper divisors (57737).

110020399 is an equidigital number, since it uses as much as digits as its factorization.

110020399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57736.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 110020399 is about 10489.0609207879. The cubic root of 110020399 is about 479.1716021101.

The spelling of 110020399 in words is "one hundred ten million, twenty thousand, three hundred ninety-nine".