20201404443 has 16 divisors (see below), whose sum is σ = 29435529600. Its totient is φ = 12221746880.

The previous prime is 20201404423. The next prime is 20201404463. The reversal of 20201404443 is 34440410202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20201404423) and next prime (20201404463).

It is a cyclic number.

It is not a de Polignac number, because 20201404443 - 2⁸ = 20201404187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201404403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519153 + ... + 556706.

It is an arithmetic number, because the mean of its divisors is an integer number (1839720600).

Almost surely, 2^20201404443 is an apocalyptic number.

20201404443 is a deficient number, since it is larger than the sum of its proper divisors (9234125157).

20201404443 is a wasteful number, since it uses less digits than its factorization.

20201404443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076442.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20201404443 its reverse (34440410202), we get a palindrome (54641814645).

The spelling of 20201404443 in words is "twenty billion, two hundred one million, four hundred four thousand, four hundred forty-three".