202000004 has 6 divisors (see below), whose sum is σ = 353500014. Its totient is φ = 101000000.

The previous prime is 202000003. The next prime is 202000021. The reversal of 202000004 is 400000202.

It can be written as a sum of positive squares in only one way, i.e., 136422400 + 65577604 = 11680^2 + 8098^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201999955 and 202000000.

It is not an unprimeable number, because it can be changed into a prime (202000003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25249997 + ... + 25250004.

It is an arithmetic number, because the mean of its divisors is an integer number (58916669).

Almost surely, 2^202000004 is an apocalyptic number.

It is an amenable number.

202000004 is a deficient number, since it is larger than the sum of its proper divisors (151500010).

202000004 is a wasteful number, since it uses less digits than its factorization.

202000004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50500005 (or 50500003 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 202000004 is about 14212.6705442714. The cubic root of 202000004 is about 586.7464347172.

Adding to 202000004 its reverse (400000202), we get a palindrome (602000206).

The spelling of 202000004 in words is "two hundred two million, four", and thus it is an aban number.