1840834020 has 24 divisors (see below), whose sum is σ = 5154335424. Its totient is φ = 490889056.

The previous prime is 1840833991. The next prime is 1840834109. The reversal of 1840834020 is 204380481.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15340224 + ... + 15340343.

It is an arithmetic number, because the mean of its divisors is an integer number (214763976).

Almost surely, 2^1840834020 is an apocalyptic number.

1840834020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1840834020 is an abundant number, since it is smaller than the sum of its proper divisors (3313501404).

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

1840834020 is a wasteful number, since it uses less digits than its factorization.

1840834020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30680579 (or 30680577 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 1840834020 is about 42904.9416734250. The cubic root of 1840834020 is about 1225.5702512296.

The spelling of 1840834020 in words is "one billion, eight hundred forty million, eight hundred thirty-four thousand, twenty".