20073424 has 40 divisors (see below), whose sum is σ = 46792640. Its totient is φ = 8149248.

The previous prime is 20073419. The next prime is 20073437. The reversal of 20073424 is 42437002.

It is a junction number, because it is equal to n+sod(n) for n = 20073395 and 20073404.

It is a congruent number.

It is an unprimeable number.

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, 2589 + ... + 6844.

It is an arithmetic number, because the mean of its divisors is an integer number (1169816).

Almost surely, 2^20073424 is an apocalyptic number.

It is an amenable number.

20073424 is an abundant number, since it is smaller than the sum of its proper divisors (26719216).

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

20073424 is a wasteful number, since it uses less digits than its factorization.

20073424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9467 (or 9461 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 20073424 is about 4480.3374872882. The cubic root of 20073424 is about 271.7735283280.

The spelling of 20073424 in words is "twenty million, seventy-three thousand, four hundred twenty-four".