1100020199 has 4 divisors (see below), whose sum is σ = 1137951960. Its totient is φ = 1062088440.

The previous prime is 1100020177. The next prime is 1100020211. The reversal of 1100020199 is 9910200011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100020199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100020099) 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, 18965837 + ... + 18965894.

It is an arithmetic number, because the mean of its divisors is an integer number (284487990).

Almost surely, 2^1100020199 is an apocalyptic number.

1100020199 is a deficient number, since it is larger than the sum of its proper divisors (37931761).

1100020199 is an equidigital number, since it uses as much as digits as its factorization.

1100020199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37931760.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 1100020199 is about 33166.5524135386. The cubic root of 1100020199 is about 1032.2864339104.

The spelling of 1100020199 in words is "one billion, one hundred million, twenty thousand, one hundred ninety-nine".