2021296782 has 16 divisors (see below), whose sum is σ = 4173000192. Its totient is φ = 652031160.

The previous prime is 2021296769. The next prime is 2021296789. The reversal of 2021296782 is 2876921202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021296782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021296789) 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, 5433408 + ... + 5433779.

It is an arithmetic number, because the mean of its divisors is an integer number (260812512).

Almost surely, 2^2021296782 is an apocalyptic number.

2021296782 is an abundant number, since it is smaller than the sum of its proper divisors (2151703410).

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

2021296782 is a wasteful number, since it uses less digits than its factorization.

2021296782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10867223.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 2021296782 is about 44958.8343042833. The cubic root of 2021296782 is about 1264.3773137684.

The spelling of 2021296782 in words is "two billion, twenty-one million, two hundred ninety-six thousand, seven hundred eighty-two".