20614420 has 24 divisors (see below), whose sum is σ = 43714944. Its totient is φ = 8164896.

The previous prime is 20614409. The next prime is 20614427. The reversal of 20614420 is 2441602.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20614427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2944 + ... + 7063.

It is an arithmetic number, because the mean of its divisors is an integer number (1821456).

Almost surely, 2^20614420 is an apocalyptic number.

20614420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20614420 is an abundant number, since it is smaller than the sum of its proper divisors (23100524).

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

20614420 is a wasteful number, since it uses less digits than its factorization.

20614420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10119 (or 10117 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20614420 is about 4540.3105620651. The cubic root of 20614420 is about 274.1934272753.

The spelling of 20614420 in words is "twenty million, six hundred fourteen thousand, four hundred twenty".