220001011002 has 24 divisors (see below), whose sum is σ = 479593212384. Its totient is φ = 72883769544.

The previous prime is 220001010989. The next prime is 220001011067. The reversal of 220001011002 is 200110100022.

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

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 37488718 + ... + 37494585.

It is an arithmetic number, because the mean of its divisors is an integer number (19983050516).

Almost surely, 2^220001011002 is an apocalyptic number.

220001011002 is an abundant number, since it is smaller than the sum of its proper divisors (259592201382).

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

220001011002 is a wasteful number, since it uses less digits than its factorization.

220001011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74983474 (or 74983471 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 220001011002 its reverse (200110100022), we get a palindrome (420111111024).

The spelling of 220001011002 in words is "two hundred twenty billion, one million, eleven thousand, two".