2801892820 has 24 divisors (see below), whose sum is σ = 5885375328. Its totient is φ = 1120490400.

The previous prime is 2801892811. The next prime is 2801892889. The reversal of 2801892820 is 282981082.

2801892820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 84415 + ... + 112825.

It is an arithmetic number, because the mean of its divisors is an integer number (245223972).

Almost surely, 2^2801892820 is an apocalyptic number.

2801892820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2801892820 is an abundant number, since it is smaller than the sum of its proper divisors (3083482508).

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

2801892820 is a wasteful number, since it uses less digits than its factorization.

2801892820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33351 (or 33349 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 2801892820 is about 52932.9086674821. The cubic root of 2801892820 is about 1409.7772764916. Note that the first 3 decimals are identical.

The spelling of 2801892820 in words is "two billion, eight hundred one million, eight hundred ninety-two thousand, eight hundred twenty".