20124712354 has 8 divisors (see below), whose sum is σ = 30424762368. Its totient is φ = 9983124900.

The previous prime is 20124712351. The next prime is 20124712367. The reversal of 20124712354 is 45321742102.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (20124712351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39615322 + ... + 39615829.

It is an arithmetic number, because the mean of its divisors is an integer number (3803095296).

Almost surely, 2^20124712354 is an apocalyptic number.

20124712354 is a deficient number, since it is larger than the sum of its proper divisors (10300050014).

20124712354 is a wasteful number, since it uses less digits than its factorization.

20124712354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79231280.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 20124712354 in words is "twenty billion, one hundred twenty-four million, seven hundred twelve thousand, three hundred fifty-four".