20463753 has 8 divisors (see below), whose sum is σ = 27865728. Its totient is φ = 13352144.

The previous prime is 20463739. The next prime is 20463757. The reversal of 20463753 is 35736402.

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 20463753 - 2¹⁴ = 20447369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20463753.

It is not an unprimeable number, because it can be changed into a prime (20463757) 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, 72426 + ... + 72707.

It is an arithmetic number, because the mean of its divisors is an integer number (3483216).

Almost surely, 2^20463753 is an apocalyptic number.

It is an amenable number.

20463753 is a deficient number, since it is larger than the sum of its proper divisors (7401975).

20463753 is a wasteful number, since it uses less digits than its factorization.

20463753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145183.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 20463753 is about 4523.6879865879. The cubic root of 20463753 is about 273.5237834239.

The spelling of 20463753 in words is "twenty million, four hundred sixty-three thousand, seven hundred fifty-three".