200024521042 has 4 divisors (see below), whose sum is σ = 300036781566. Its totient is φ = 100012260520.

The previous prime is 200024521027. The next prime is 200024521043. The reversal of 200024521042 is 240125420002.

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., 199629346401 + 395174641 = 446799^2 + 19879^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (200024521043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50006130259 + ... + 50006130262.

Almost surely, 2^200024521042 is an apocalyptic number.

200024521042 is a deficient number, since it is larger than the sum of its proper divisors (100012260524).

200024521042 is a wasteful number, since it uses less digits than its factorization.

200024521042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100012260523.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 200024521042 its reverse (240125420002), we get a palindrome (440149941044).

The spelling of 200024521042 in words is "two hundred billion, twenty-four million, five hundred twenty-one thousand, forty-two".