20481762 has 32 divisors (see below), whose sum is σ = 48328704. Its totient is φ = 5662800.

The previous prime is 20481751. The next prime is 20481767. The reversal of 20481762 is 26718402.

It is not an unprimeable number, because it can be changed into a prime (20481767) 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 15 ways as a sum of consecutive naturals, for example, 6564 + ... + 9167.

It is an arithmetic number, because the mean of its divisors is an integer number (1510272).

Almost surely, 2^20481762 is an apocalyptic number.

20481762 is an abundant number, since it is smaller than the sum of its proper divisors (27846942).

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

20481762 is a wasteful number, since it uses less digits than its factorization.

20481762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15774.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 20481762 is about 4525.6780707425. The cubic root of 20481762 is about 273.6039975391.

The spelling of 20481762 in words is "twenty million, four hundred eighty-one thousand, seven hundred sixty-two".