20616027 has 16 divisors (see below), whose sum is σ = 28788480. Its totient is φ = 13098272.

The previous prime is 20616017. The next prime is 20616031. The reversal of 20616027 is 72061602.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20616027 - 2¹⁴ = 20599643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20615988 and 20616006.

It is not an unprimeable number, because it can be changed into a prime (20616017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34828 + ... + 35414.

It is an arithmetic number, because the mean of its divisors is an integer number (1799280).

Almost surely, 2^20616027 is an apocalyptic number.

20616027 is a deficient number, since it is larger than the sum of its proper divisors (8172453).

20616027 is a wasteful number, since it uses less digits than its factorization.

20616027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 20616027 is about 4540.4875288894. The cubic root of 20616027 is about 274.2005520192.

Adding to 20616027 its reverse (72061602), we get a palindrome (92677629).

The spelling of 20616027 in words is "twenty million, six hundred sixteen thousand, twenty-seven".