1022000002002 has 48 divisors (see below), whose sum is σ = 2641904773920. Its totient is φ = 291999999816.

The previous prime is 1022000001977. The next prime is 1022000002007. The reversal of 1022000002002 is 2002000002201.

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 (1022000002007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193119048 + ... + 193124339.

It is an arithmetic number, because the mean of its divisors is an integer number (55039682790).

Almost surely, 2^{1022000002002} is an apocalyptic number.

1022000002002 is an abundant number, since it is smaller than the sum of its proper divisors (1619904771918).

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

1022000002002 is a wasteful number, since it uses less digits than its factorization.

1022000002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386243412 (or 386243399 counting only the distinct ones).

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

Adding to 1022000002002 its reverse (2002000002201), we get a palindrome (3024000004203).

The spelling of 1022000002002 in words is "one trillion, twenty-two billion, two thousand, two".