10200120004 has 12 divisors (see below), whose sum is σ = 18465734700. Its totient is φ = 4924195808.

The previous prime is 10200120001. The next prime is 10200120013. The reversal of 10200120004 is 40002100201.

It can be written as a sum of positive squares in 2 ways, for example, as 4900280004 + 5299840000 = 70002^2 + 72800^2 .

It is not an unprimeable number, because it can be changed into a prime (10200120001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43965919 + ... + 43966150.

It is an arithmetic number, because the mean of its divisors is an integer number (1538811225).

Almost surely, 2^10200120004 is an apocalyptic number.

It is an amenable number.

10200120004 is a deficient number, since it is larger than the sum of its proper divisors (8265614696).

10200120004 is a wasteful number, since it uses less digits than its factorization.

10200120004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87932102 (or 87932100 counting only the distinct ones).

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

Adding to 10200120004 its reverse (40002100201), we get a palindrome (50202220205).

The spelling of 10200120004 in words is "ten billion, two hundred million, one hundred twenty thousand, four".