20143204252 has 12 divisors (see below), whose sum is σ = 35262501120. Its totient is φ = 10068203936.

The previous prime is 20143204231. The next prime is 20143204259. The reversal of 20143204252 is 25240234102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143204259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836188 + ... + 859939.

It is an arithmetic number, because the mean of its divisors is an integer number (2938541760).

Almost surely, 2^20143204252 is an apocalyptic number.

It is an amenable number.

20143204252 is a deficient number, since it is larger than the sum of its proper divisors (15119296868).

20143204252 is a wasteful number, since it uses less digits than its factorization.

20143204252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699100 (or 1699098 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20143204252 its reverse (25240234102), we get a palindrome (45383438354).

The spelling of 20143204252 in words is "twenty billion, one hundred forty-three million, two hundred four thousand, two hundred fifty-two".