1000000220202 has 24 divisors (see below), whose sum is σ = 2166686015520. Its totient is φ = 333330503400.

The previous prime is 1000000220147. The next prime is 1000000220209. The reversal of 1000000220202 is 2020220000001.

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 (1000000220209) 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, 3223827 + ... + 3520377.

It is an arithmetic number, because the mean of its divisors is an integer number (90278583980).

Almost surely, 2^{1000000220202} is an apocalyptic number.

1000000220202 is an abundant number, since it is smaller than the sum of its proper divisors (1166685795318).

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

1000000220202 is a wasteful number, since it uses less digits than its factorization.

1000000220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483898 (or 483895 counting only the distinct ones).

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

Adding to 1000000220202 its reverse (2020220000001), we get a palindrome (3020220220203).

The spelling of 1000000220202 in words is "one trillion, two hundred twenty thousand, two hundred two".