202145010204 has 24 divisors (see below), whose sum is σ = 471892467088. Its totient is φ = 67350130560.

The previous prime is 202145010203. The next prime is 202145010209. The reversal of 202145010204 is 402010541202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202145010203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3915727 + ... + 3967014.

Almost surely, 2^202145010204 is an apocalyptic number.

It is an amenable number.

202145010204 is an abundant number, since it is smaller than the sum of its proper divisors (269747456884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202145010204 is a wasteful number, since it uses less digits than its factorization.

202145010204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884885 (or 7884883 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 202145010204 its reverse (402010541202), we get a palindrome (604155551406).

The spelling of 202145010204 in words is "two hundred two billion, one hundred forty-five million, ten thousand, two hundred four".