2420605920 has 48 divisors (see below), whose sum is σ = 7624910160. Its totient is φ = 645494784.

The previous prime is 2420605919. The next prime is 2420605931. The reversal of 2420605920 is 295060242.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2520985 + ... + 2521944.

It is an arithmetic number, because the mean of its divisors is an integer number (158852295).

Almost surely, 2^2420605920 is an apocalyptic number.

2420605920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420605920 is an abundant number, since it is smaller than the sum of its proper divisors (5204304240).

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

2420605920 is a wasteful number, since it uses less digits than its factorization.

2420605920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042947 (or 5042939 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2420605920 is about 49199.6536573175. The cubic root of 2420605920 is about 1342.6867309243.

The spelling of 2420605920 in words is "two billion, four hundred twenty million, six hundred five thousand, nine hundred twenty".