10200120202 has 16 divisors (see below), whose sum is σ = 15516875592. Its totient is φ = 5027892480.

The previous prime is 10200120199. The next prime is 10200120223. The reversal of 10200120202 is 20202100201.

It can be written as a sum of positive squares in 4 ways, for example, as 9551348361 + 648771841 = 97731^2 + 25471^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329302 + ... + 358942.

Almost surely, 2^10200120202 is an apocalyptic number.

10200120202 is a deficient number, since it is larger than the sum of its proper divisors (5316755390).

10200120202 is a wasteful number, since it uses less digits than its factorization.

10200120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32073.

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

Adding to 10200120202 its reverse (20202100201), we get a palindrome (30402220403).

The spelling of 10200120202 in words is "ten billion, two hundred million, one hundred twenty thousand, two hundred two".