220001200002 has 12 divisors (see below), whose sum is σ = 476669266710. Its totient is φ = 73333733328.

The previous prime is 220001199973. The next prime is 220001200009. The reversal of 220001200002 is 200002100022.

It can be written as a sum of positive squares in only one way, i.e., 205309578321 + 14691621681 = 453111^2 + 121209^2 .

It is a super-4 number, since 4×220001200002⁴ (a number of 46 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (220001200009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6111144427 + ... + 6111144462.

Almost surely, 2^220001200002 is an apocalyptic number.

220001200002 is an abundant number, since it is smaller than the sum of its proper divisors (256668066708).

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

220001200002 is a wasteful number, since it uses less digits than its factorization.

220001200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222288897 (or 12222288894 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 220001200002 its reverse (200002100022), we get a palindrome (420003300024).

The spelling of 220001200002 in words is "two hundred twenty billion, one million, two hundred thousand, two".