202020000004 has 12 divisors (see below), whose sum is σ = 374331176604. Its totient is φ = 95068235264.

The previous prime is 202019999999. The next prime is 202020000011. The reversal of 202020000004 is 400000020202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70905038400 + 131114961604 = 266280^2 + 362098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1485441109 + ... + 1485441244.

It is an arithmetic number, because the mean of its divisors is an integer number (31194264717).

Almost surely, 2^202020000004 is an apocalyptic number.

It is an amenable number.

202020000004 is a deficient number, since it is larger than the sum of its proper divisors (172311176600).

202020000004 is a wasteful number, since it uses less digits than its factorization.

202020000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970882374 (or 2970882372 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 202020000004 its reverse (400000020202), we get a palindrome (602020020206).

The spelling of 202020000004 in words is "two hundred two billion, twenty million, four", and thus it is an aban number.