20124533355 has 8 divisors (see below), whose sum is σ = 32199253392. Its totient is φ = 10733084448.

The previous prime is 20124533339. The next prime is 20124533371. The reversal of 20124533355 is 55333542102.

It is an interprime number because it is at equal distance from previous prime (20124533339) and next prime (20124533371).

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

It is not a de Polignac number, because 20124533355 - 2⁴ = 20124533339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670817764 + ... + 670817793.

It is an arithmetic number, because the mean of its divisors is an integer number (4024906674).

Almost surely, 2^20124533355 is an apocalyptic number.

20124533355 is a deficient number, since it is larger than the sum of its proper divisors (12074720037).

20124533355 is a wasteful number, since it uses less digits than its factorization.

20124533355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341635565.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 20124533355 in words is "twenty billion, one hundred twenty-four million, five hundred thirty-three thousand, three hundred fifty-five".