20214653 has 8 divisors (see below), whose sum is σ = 21358080. Its totient is φ = 19101040.

The previous prime is 20214647. The next prime is 20214661. The reversal of 20214653 is 35641202.

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 20214653 - 2¹⁶ = 20149117 is a prime.

It is a Duffinian number.

20214653 is a modest number, since divided by 4653 gives 2021 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214673) 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, 6053 + ... + 8778.

It is an arithmetic number, because the mean of its divisors is an integer number (2669760).

Almost surely, 2^20214653 is an apocalyptic number.

It is an amenable number.

20214653 is a deficient number, since it is larger than the sum of its proper divisors (1143427).

20214653 is a wasteful number, since it uses less digits than its factorization.

20214653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14907.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20214653 is about 4496.0708401892. The cubic root of 20214653 is about 272.4094045555.

Adding to 20214653 its reverse (35641202), we get a palindrome (55855855).

The spelling of 20214653 in words is "twenty million, two hundred fourteen thousand, six hundred fifty-three".