20614608 has 160 divisors (see below), whose sum is σ = 71781120. Its totient is φ = 5529600.

The previous prime is 20614579. The next prime is 20614619. The reversal of 20614608 is 80641602.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51208 + ... + 51608.

It is an arithmetic number, because the mean of its divisors is an integer number (448632).

Almost surely, 2^20614608 is an apocalyptic number.

20614608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20614608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35890560).

20614608 is an abundant number, since it is smaller than the sum of its proper divisors (51166512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20614608 is a wasteful number, since it uses less digits than its factorization.

20614608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 20614608 is about 4540.3312654475. The cubic root of 20614608 is about 274.1942608052.

The spelling of 20614608 in words is "twenty million, six hundred fourteen thousand, six hundred eight".