4002620022 has 20 divisors (see below), whose sum is σ = 8968834116. Its totient is φ = 1334206620.

The previous prime is 4002619987. The next prime is 4002620023. The reversal of 4002620022 is 2200262004.

It is a happy number.

4002620022 is a `hidden beast` number, since 40 + 0 + 2 + 620 + 0 + 2 + 2 = 666.

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 = 4002619977 and 4002620004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002620023) 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 9 ways as a sum of consecutive naturals, for example, 12353604 + ... + 12353927.

Almost surely, 2^4002620022 is an apocalyptic number.

4002620022 is an abundant number, since it is smaller than the sum of its proper divisors (4966214094).

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

4002620022 is a wasteful number, since it uses less digits than its factorization.

4002620022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24707545 (or 24707536 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4002620022 is about 63266.2629052799. The cubic root of 4002620022 is about 1587.7475617972.

Adding to 4002620022 its reverse (2200262004), we get a palindrome (6202882026).

It can be divided in two parts, 400262002 and 2, that added together give a palindrome (400262004).

The spelling of 4002620022 in words is "four billion, two million, six hundred twenty thousand, twenty-two".