20202200212 has 6 divisors (see below), whose sum is σ = 35353850378. Its totient is φ = 10101100104.

The previous prime is 20202200147. The next prime is 20202200219. The reversal of 20202200212 is 21200220202.

It can be written as a sum of positive squares in only one way, i.e., 18802991376 + 1399208836 = 137124^2 + 37406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20202200192 and 20202200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202200219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525275023 + ... + 2525275030.

Almost surely, 2^20202200212 is an apocalyptic number.

It is an amenable number.

20202200212 is a deficient number, since it is larger than the sum of its proper divisors (15151650166).

20202200212 is a wasteful number, since it uses less digits than its factorization.

20202200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050550057 (or 5050550055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20202200212 its reverse (21200220202), we get a palindrome (41402420414).

The spelling of 20202200212 in words is "twenty billion, two hundred two million, two hundred thousand, two hundred twelve".