20452374 has 24 divisors (see below), whose sum is σ = 45744192. Its totient is φ = 6597360.

The previous prime is 20452363. The next prime is 20452427. The reversal of 20452374 is 47325402.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17769 + ... + 18884.

It is an arithmetic number, because the mean of its divisors is an integer number (1906008).

Almost surely, 2^20452374 is an apocalyptic number.

20452374 is an abundant number, since it is smaller than the sum of its proper divisors (25291818).

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

20452374 is a wasteful number, since it uses less digits than its factorization.

20452374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36692 (or 36689 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 20452374 is about 4522.4300989623. The cubic root of 20452374 is about 273.4730758109.

Adding to 20452374 its reverse (47325402), we get a palindrome (67777776).

The spelling of 20452374 in words is "twenty million, four hundred fifty-two thousand, three hundred seventy-four".