20073755 has 8 divisors (see below), whose sum is σ = 25941552. Its totient is φ = 14823648.

The previous prime is 20073749. The next prime is 20073769. The reversal of 20073755 is 55737002.

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 20073755 - 2¹⁴ = 20057371 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, 154349 + ... + 154478.

It is an arithmetic number, because the mean of its divisors is an integer number (3242694).

Almost surely, 2^20073755 is an apocalyptic number.

20073755 is a deficient number, since it is larger than the sum of its proper divisors (5867797).

20073755 is a wasteful number, since it uses less digits than its factorization.

20073755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308845.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 20073755 is about 4480.3744263175. The cubic root of 20073755 is about 271.7750221197.

The spelling of 20073755 in words is "twenty million, seventy-three thousand, seven hundred fifty-five".