20120753 has 8 divisors (see below), whose sum is σ = 21223200. Its totient is φ = 19022688.

The previous prime is 20120743. The next prime is 20120759. The reversal of 20120753 is 35702102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20120753 is a prime.

It is a super-3 number, since 3×20120753³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120759) 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, 13325 + ... + 14757.

It is an arithmetic number, because the mean of its divisors is an integer number (2652900).

Almost surely, 2^20120753 is an apocalyptic number.

It is an amenable number.

20120753 is a deficient number, since it is larger than the sum of its proper divisors (1102447).

20120753 is a wasteful number, since it uses less digits than its factorization.

20120753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20120753 is about 4485.6162341422. The cubic root of 20120753 is about 271.9869560137.

Adding to 20120753 its reverse (35702102), we get a palindrome (55822855).

The spelling of 20120753 in words is "twenty million, one hundred twenty thousand, seven hundred fifty-three".