20614623 has 8 divisors (see below), whose sum is σ = 28071168. Its totient is φ = 13450584.

The previous prime is 20614619. The next prime is 20614667. The reversal of 20614623 is 32641602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20614623 - 2² = 20614619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20614593 and 20614602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20614823) 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, 72961 + ... + 73242.

It is an arithmetic number, because the mean of its divisors is an integer number (3508896).

Almost surely, 2^20614623 is an apocalyptic number.

20614623 is a deficient number, since it is larger than the sum of its proper divisors (7456545).

20614623 is a wasteful number, since it uses less digits than its factorization.

20614623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146253.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20614623 is about 4540.3329173090. The cubic root of 20614623 is about 274.1943273101.

It can be divided in two parts, 2061462 and 3, that added together give a triangular number (2061465 = T₂₀₃₀).

The spelling of 20614623 in words is "twenty million, six hundred fourteen thousand, six hundred twenty-three".