20474514 has 48 divisors (see below), whose sum is σ = 47155680. Its totient is φ = 6402240.

The previous prime is 20474507. The next prime is 20474549. The reversal of 20474514 is 41547402.

20474514 is a `hidden beast` number, since 204 + 7 + 451 + 4 = 666.

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 23 ways as a sum of consecutive naturals, for example, 44574 + ... + 45030.

It is an arithmetic number, because the mean of its divisors is an integer number (982410).

Almost surely, 2^20474514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20474514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23577840).

20474514 is an abundant number, since it is smaller than the sum of its proper divisors (26681166).

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

20474514 is a wasteful number, since it uses less digits than its factorization.

20474514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 20474514 is about 4524.8772359038. The cubic root of 20474514 is about 273.5717197865.

It can be divided in two parts, 2047 and 4514, that added together give a 8-th power (6561 = 3⁸).

The spelling of 20474514 in words is "twenty million, four hundred seventy-four thousand, five hundred fourteen".