1900104420 has 24 divisors (see below), whose sum is σ = 5320292544. Its totient is φ = 506694496.

The previous prime is 1900104419. The next prime is 1900104469. The reversal of 1900104420 is 244010091.

It is a super-2 number, since 2×1900104420² = 7220793613807072800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15834144 + ... + 15834263.

It is an arithmetic number, because the mean of its divisors is an integer number (221678856).

Almost surely, 2^1900104420 is an apocalyptic number.

1900104420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1900104420 is an abundant number, since it is smaller than the sum of its proper divisors (3420188124).

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

1900104420 is a wasteful number, since it uses less digits than its factorization.

1900104420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31668419 (or 31668417 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1900104420 is about 43590.1871984969. The cubic root of 1900104420 is about 1238.5850188072.

The spelling of 1900104420 in words is "one billion, nine hundred million, one hundred four thousand, four hundred twenty".