820724802 has 32 divisors (see below), whose sum is σ = 1654698240. Its totient is φ = 271374720.

The previous prime is 820724791. The next prime is 820724809. The reversal of 820724802 is 208427028.

It is not an unprimeable number, because it can be changed into a prime (820724809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789399 + ... + 790437.

It is an arithmetic number, because the mean of its divisors is an integer number (51709320).

Almost surely, 2^820724802 is an apocalyptic number.

820724802 is an abundant number, since it is smaller than the sum of its proper divisors (833973438).

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

820724802 is a wasteful number, since it uses less digits than its factorization.

820724802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 820724802 is about 28648.2949230840. The cubic root of 820724802 is about 936.2658565243.

The spelling of 820724802 in words is "eight hundred twenty million, seven hundred twenty-four thousand, eight hundred two".