20116654 has 4 divisors (see below), whose sum is σ = 30174984. Its totient is φ = 10058326.

The previous prime is 20116637. The next prime is 20116667. The reversal of 20116654 is 45661102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45661102 = 2 ⋅22830551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5029162 + ... + 5029165.

It is an arithmetic number, because the mean of its divisors is an integer number (7543746).

Almost surely, 2^20116654 is an apocalyptic number.

20116654 is a deficient number, since it is larger than the sum of its proper divisors (10058330).

20116654 is a wasteful number, since it uses less digits than its factorization.

20116654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10058329.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 20116654 is about 4485.1593059779. The cubic root of 20116654 is about 271.9684850309.

Adding to 20116654 its reverse (45661102), we get a palindrome (65777756).

The spelling of 20116654 in words is "twenty million, one hundred sixteen thousand, six hundred fifty-four".