20122753 has 8 divisors (see below), whose sum is σ = 23532608. Its totient is φ = 16846704.

The previous prime is 20122733. The next prime is 20122757. The reversal of 20122753 is 35722102.

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

It is not a de Polignac number, because 20122753 - 2⁹ = 20122241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122757) 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, 33126 + ... + 33727.

It is an arithmetic number, because the mean of its divisors is an integer number (2941576).

Almost surely, 2^20122753 is an apocalyptic number.

It is an amenable number.

20122753 is a deficient number, since it is larger than the sum of its proper divisors (3409855).

20122753 is an equidigital number, since it uses as much as digits as its factorization.

20122753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66903.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20122753 is about 4485.8391634119. The cubic root of 20122753 is about 271.9959675368.

Adding to 20122753 its reverse (35722102), we get a palindrome (55844855).

The spelling of 20122753 in words is "twenty million, one hundred twenty-two thousand, seven hundred fifty-three".