20012417443 has 8 divisors (see below), whose sum is σ = 20685510656. Its totient is φ = 19341045000.

The previous prime is 20012417441. The next prime is 20012417479. The reversal of 20012417443 is 34471421002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20012417443 - 2¹ = 20012417441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012417441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406521 + ... + 453082.

It is an arithmetic number, because the mean of its divisors is an integer number (2585688832).

Almost surely, 2^20012417443 is an apocalyptic number.

20012417443 is a deficient number, since it is larger than the sum of its proper divisors (673093213).

20012417443 is an equidigital number, since it uses as much as digits as its factorization.

20012417443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860385.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 20012417443 its reverse (34471421002), we get a palindrome (54483838445).

The spelling of 20012417443 in words is "twenty billion, twelve million, four hundred seventeen thousand, four hundred forty-three".