1020022001002 has 16 divisors (see below), whose sum is σ = 1564908815232. Its totient is φ = 498417978240.

The previous prime is 1020022000999. The next prime is 1020022001039. The reversal of 1020022001002 is 2001002200201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020022001002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7998624 + ... + 8125147.

It is an arithmetic number, because the mean of its divisors is an integer number (97806800952).

Almost surely, 2^{1020022001002} is an apocalyptic number.

1020022001002 is a deficient number, since it is larger than the sum of its proper divisors (544886814230).

1020022001002 is a wasteful number, since it uses less digits than its factorization.

1020022001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16124493.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1020022001002 its reverse (2001002200201), we get a palindrome (3021024201203).

The spelling of 1020022001002 in words is "one trillion, twenty billion, twenty-two million, one thousand, two".