1900046020 has 24 divisors (see below), whose sum is σ = 3993260544. Its totient is φ = 759415776.

The previous prime is 1900045957. The next prime is 1900046023. The reversal of 1900046020 is 206400091.

It is a super-2 number, since 2×1900046020² = 7220349756235680800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1900045982 and 1900046000.

It is not an unprimeable number, because it can be changed into a prime (1900046023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11364 + ... + 62683.

It is an arithmetic number, because the mean of its divisors is an integer number (166385856).

Almost surely, 2^1900046020 is an apocalyptic number.

1900046020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1900046020 is an abundant number, since it is smaller than the sum of its proper divisors (2093214524).

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

1900046020 is a wasteful number, since it uses less digits than its factorization.

1900046020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75339 (or 75337 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1900046020 is about 43589.5173178139. The cubic root of 1900046020 is about 1238.5723293106.

The spelling of 1900046020 in words is "one billion, nine hundred million, forty-six thousand, twenty".