202010001224 has 8 divisors (see below), whose sum is σ = 378768752310. Its totient is φ = 101005000608.

The previous prime is 202010001223. The next prime is 202010001239. The reversal of 202010001224 is 422100010202.

It can be written as a sum of positive squares in only one way, i.e., 190691169124 + 11318832100 = 436682^2 + 106390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 202010001199 and 202010001208.

It is not an unprimeable number, because it can be changed into a prime (202010001223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12625625069 + ... + 12625625084.

Almost surely, 2^202010001224 is an apocalyptic number.

It is an amenable number.

202010001224 is a deficient number, since it is larger than the sum of its proper divisors (176758751086).

202010001224 is a wasteful number, since it uses less digits than its factorization.

202010001224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25251250159 (or 25251250155 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202010001224 its reverse (422100010202), we get a palindrome (624110011426).

The spelling of 202010001224 in words is "two hundred two billion, ten million, one thousand, two hundred twenty-four".