2792821020 has 96 divisors (see below), whose sum is σ = 8979828480. Its totient is φ = 641410560.

The previous prime is 2792821019. The next prime is 2792821043. The reversal of 2792821020 is 201282972.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98817 + ... + 123896.

It is an arithmetic number, because the mean of its divisors is an integer number (93539880).

Almost surely, 2^2792821020 is an apocalyptic number.

2792821020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2792821020 is an abundant number, since it is smaller than the sum of its proper divisors (6187007460).

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

2792821020 is a wasteful number, since it uses less digits than its factorization.

2792821020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222755 (or 222753 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 2792821020 is about 52847.1476997576. The cubic root of 2792821020 is about 1408.2541341112.

The spelling of 2792821020 in words is "two billion, seven hundred ninety-two million, eight hundred twenty-one thousand, twenty".