1020202000802 has 32 divisors (see below), whose sum is σ = 1606699292400. Its totient is φ = 485176946688.

The previous prime is 1020202000801. The next prime is 1020202000879. The reversal of 1020202000802 is 2080002020201.

It can be written as a sum of positive squares in 8 ways, for example, as 783382537921 + 236819462881 = 885089^2 + 486641^2 .

It is not an unprimeable number, because it can be changed into a prime (1020202000801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3364658 + ... + 3655314.

Almost surely, 2^{1020202000802} is an apocalyptic number.

1020202000802 is a deficient number, since it is larger than the sum of its proper divisors (586497291598).

1020202000802 is a wasteful number, since it uses less digits than its factorization.

1020202000802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291590.

The product of its (nonzero) digits is 128, while the sum is 17.

The spelling of 1020202000802 in words is "one trillion, twenty billion, two hundred two million, eight hundred two", and thus it is an aban number.