20654614 has 4 divisors (see below), whose sum is σ = 30981924. Its totient is φ = 10327306.

The previous prime is 20654591. The next prime is 20654617. The reversal of 20654614 is 41645602.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20654614² = 853226158977992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20654617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5163652 + ... + 5163655.

It is an arithmetic number, because the mean of its divisors is an integer number (7745481).

Almost surely, 2^20654614 is an apocalyptic number.

20654614 is a deficient number, since it is larger than the sum of its proper divisors (10327310).

20654614 is a wasteful number, since it uses less digits than its factorization.

20654614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327309.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20654614 is about 4544.7347557366. The cubic root of 20654614 is about 274.3715190430.

The spelling of 20654614 in words is "twenty million, six hundred fifty-four thousand, six hundred fourteen".