2024780821 has 16 divisors (see below), whose sum is σ = 2403348480. Its totient is φ = 1669794480.

The previous prime is 2024780761. The next prime is 2024780831. The reversal of 2024780821 is 1280874202.

It is a cyclic number.

It is not a de Polignac number, because 2024780821 - 2²¹ = 2022683669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2024780831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32745 + ... + 71566.

It is an arithmetic number, because the mean of its divisors is an integer number (150209280).

Almost surely, 2^2024780821 is an apocalyptic number.

It is an amenable number.

2024780821 is a deficient number, since it is larger than the sum of its proper divisors (378567659).

2024780821 is a wasteful number, since it uses less digits than its factorization.

2024780821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104424.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 2024780821 is about 44997.5646118765. The cubic root of 2024780821 is about 1265.1033511876.

The spelling of 2024780821 in words is "two billion, twenty-four million, seven hundred eighty thousand, eight hundred twenty-one".