10002020000202 has 72 divisors (see below), whose sum is σ = 22416288892140. Its totient is φ = 3222847180800.

The previous prime is 10002020000191. The next prime is 10002020000213. The reversal of 10002020000202 is 20200002020001.

It is an interprime number because it is at equal distance from previous prime (10002020000191) and next prime (10002020000213).

It can be written as a sum of positive squares in 6 ways, for example, as 3900621050001 + 6101398950201 = 1974999^2 + 2470101^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1781802 + ... + 4814442.

Almost surely, 2^{10002020000202} is an apocalyptic number.

10002020000202 is an abundant number, since it is smaller than the sum of its proper divisors (12414268891938).

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

10002020000202 is a wasteful number, since it uses less digits than its factorization.

10002020000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032840 (or 3032796 counting only the distinct ones).

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

Adding to 10002020000202 its reverse (20200002020001), we get a palindrome (30202022020203).

The spelling of 10002020000202 in words is "ten trillion, two billion, twenty million, two hundred two", and thus it is an aban number.