2402420220 has 36 divisors (see below), whose sum is σ = 7287341880. Its totient is φ = 640645344.

The previous prime is 2402420203. The next prime is 2402420221. The reversal of 2402420220 is 220242042.

2402420220 is a `hidden beast` number, since 2 + 402 + 42 + 0 + 220 = 666.

2402420220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2402420193 and 2402420202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402420221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6673210 + ... + 6673569.

Almost surely, 2^2402420220 is an apocalyptic number.

2402420220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402420220 is an abundant number, since it is smaller than the sum of its proper divisors (4884921660).

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

2402420220 is a wasteful number, since it uses less digits than its factorization.

2402420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13346794 (or 13346789 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2402420220 is about 49014.4898983964. The cubic root of 2402420220 is about 1339.3157975841.

Adding to 2402420220 its reverse (220242042), we get a palindrome (2622662262).

It can be divided in two parts, 24024 and 20220, that added together give a palindrome (44244).

The spelling of 2402420220 in words is "two billion, four hundred two million, four hundred twenty thousand, two hundred twenty".