20010210021202 has 4 divisors (see below), whose sum is σ = 30015315031806. Its totient is φ = 10005105010600.

The previous prime is 20010210021167. The next prime is 20010210021209. The reversal of 20010210021202 is 20212001201002.

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., 13827383553361 + 6182826467841 = 3718519^2 + 2486529^2 .

It is a super-2 number, since 2×20010210021202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20010210021209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002552505299 + ... + 5002552505302.

Almost surely, 2^{20010210021202} is an apocalyptic number.

20010210021202 is a deficient number, since it is larger than the sum of its proper divisors (10005105010604).

20010210021202 is a wasteful number, since it uses less digits than its factorization.

20010210021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005105010603.

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

Adding to 20010210021202 its reverse (20212001201002), we get a palindrome (40222211222204).

The spelling of 20010210021202 in words is "twenty trillion, ten billion, two hundred ten million, twenty-one thousand, two hundred two".