201420124443 has 28 divisors (see below), whose sum is σ = 302111425728. Its totient is φ = 134226998640.

The previous prime is 201420124393. The next prime is 201420124517. The reversal of 201420124443 is 344421024102.

201420124443 is a `hidden beast` number, since 2 + 0 + 14 + 201 + 2 + 4 + 443 = 666.

It is not a de Polignac number, because 201420124443 - 2⁶ = 201420124379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (201420124643) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1835521 + ... + 1942157.

It is an arithmetic number, because the mean of its divisors is an integer number (10789693776).

Almost surely, 2^201420124443 is an apocalyptic number.

201420124443 is a deficient number, since it is larger than the sum of its proper divisors (100691301285).

201420124443 is an equidigital number, since it uses as much as digits as its factorization.

201420124443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109246 (or 109231 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 201420124443 its reverse (344421024102), we get a palindrome (545841148545).

The spelling of 201420124443 in words is "two hundred one billion, four hundred twenty million, one hundred twenty-four thousand, four hundred forty-three".