204421150043 has 32 divisors (see below), whose sum is σ = 239344035840. Its totient is φ = 172609781760.

The previous prime is 204421150009. The next prime is 204421150051. The reversal of 204421150043 is 340051124402.

It is a cyclic number.

It is not a de Polignac number, because 204421150043 - 2⁶ = 204421149979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204421149994 and 204421150021.

It is not an unprimeable number, because it can be changed into a prime (204421150943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17351771 + ... + 17363547.

It is an arithmetic number, because the mean of its divisors is an integer number (7479501120).

Almost surely, 2^204421150043 is an apocalyptic number.

204421150043 is a deficient number, since it is larger than the sum of its proper divisors (34922885797).

204421150043 is a wasteful number, since it uses less digits than its factorization.

204421150043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13427.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 204421150043 its reverse (340051124402), we get a palindrome (544472274445).

The spelling of 204421150043 in words is "two hundred four billion, four hundred twenty-one million, one hundred fifty thousand, forty-three".