20122041243 has 8 divisors (see below), whose sum is σ = 26834158656. Its totient is φ = 13412309000.

The previous prime is 20122041229. The next prime is 20122041281. The reversal of 20122041243 is 34214022102.

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 20122041243 - 2⁸ = 20122040987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122042243) 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, 576513 + ... + 610418.

It is an arithmetic number, because the mean of its divisors is an integer number (3354269832).

Almost surely, 2^20122041243 is an apocalyptic number.

20122041243 is a deficient number, since it is larger than the sum of its proper divisors (6712117413).

20122041243 is a wasteful number, since it uses less digits than its factorization.

20122041243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192585.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20122041243 its reverse (34214022102), we get a palindrome (54336063345).

The spelling of 20122041243 in words is "twenty billion, one hundred twenty-two million, forty-one thousand, two hundred forty-three".