20101012200202 has 4 divisors (see below), whose sum is σ = 30151518300306. Its totient is φ = 10050506100100.

The previous prime is 20101012200179. The next prime is 20101012200223. The reversal of 20101012200202 is 20200221010102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13866098085841 + 6234914114361 = 3723721^2 + 2496981^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025253050049 + ... + 5025253050052.

Almost surely, 2^{20101012200202} is an apocalyptic number.

20101012200202 is a deficient number, since it is larger than the sum of its proper divisors (10050506100104).

20101012200202 is a wasteful number, since it uses less digits than its factorization.

20101012200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10050506100103.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20101012200202 its reverse (20200221010102), we get a palindrome (40301233210304).

The spelling of 20101012200202 in words is "twenty trillion, one hundred one billion, twelve million, two hundred thousand, two hundred two".