2420847826 has 4 divisors (see below), whose sum is σ = 3631271742. Its totient is φ = 1210423912.

The previous prime is 2420847823. The next prime is 2420847839. The reversal of 2420847826 is 6287480242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2334339225 + 86508601 = 48315^2 + 9301^2 .

It is not an unprimeable number, because it can be changed into a prime (2420847823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605211955 + ... + 605211958.

Almost surely, 2^2420847826 is an apocalyptic number.

2420847826 is a deficient number, since it is larger than the sum of its proper divisors (1210423916).

2420847826 is a wasteful number, since it uses less digits than its factorization.

2420847826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210423915.

The product of its (nonzero) digits is 344064, while the sum is 43.

The square root of 2420847826 is about 49202.1120075145. The cubic root of 2420847826 is about 1342.7314570752.

The spelling of 2420847826 in words is "two billion, four hundred twenty million, eight hundred forty-seven thousand, eight hundred twenty-six".