20119800 has 48 divisors (see below), whose sum is σ = 62373240. Its totient is φ = 5365120.

The previous prime is 20119793. The next prime is 20119819. The reversal of 20119800 is 891102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16167 + ... + 17366.

Almost surely, 2^20119800 is an apocalyptic number.

20119800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20119800 is an abundant number, since it is smaller than the sum of its proper divisors (42253440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20119800 is a wasteful number, since it uses less digits than its factorization.

20119800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33552 (or 33543 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 20119800 is about 4485.5100044477. The cubic root of 20119800 is about 271.9826618129.

It can be divided in two parts, 2011 and 9800, that added together give a palindrome (11811).

The spelling of 20119800 in words is "twenty million, one hundred nineteen thousand, eight hundred".