220402600002 has 48 divisors (see below), whose sum is σ = 515466177408. Its totient is φ = 67658807520.

The previous prime is 220402600001. The next prime is 220402600009. The reversal of 220402600002 is 200006204022.

It is a happy number.

220402600002 is a `hidden beast` number, since 2 + 20 + 40 + 2 + 600 + 0 + 0 + 2 = 666.

It is a super-2 number, since 2×220402600002² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (220402600001) 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 in 23 ways as a sum of consecutive naturals, for example, 991828 + ... + 1193535.

It is an arithmetic number, because the mean of its divisors is an integer number (10738878696).

Almost surely, 2^220402600002 is an apocalyptic number.

220402600002 is an abundant number, since it is smaller than the sum of its proper divisors (295063577406).

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

220402600002 is a wasteful number, since it uses less digits than its factorization.

220402600002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185815 (or 2185812 counting only the distinct ones).

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

Adding to 220402600002 its reverse (200006204022), we get a palindrome (420408804024).

The spelling of 220402600002 in words is "two hundred twenty billion, four hundred two million, six hundred thousand, two".