20481002 has 16 divisors (see below), whose sum is σ = 31974912. Its totient is φ = 9831120.

The previous prime is 20480969. The next prime is 20481007. The reversal of 20481002 is 20018402.

It is not an unprimeable number, because it can be changed into a prime (20481007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2927 + ... + 7037.

It is an arithmetic number, because the mean of its divisors is an integer number (1998432).

Almost surely, 2^20481002 is an apocalyptic number.

20481002 is a deficient number, since it is larger than the sum of its proper divisors (11493910).

20481002 is a wasteful number, since it uses less digits than its factorization.

20481002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 20481002 is about 4525.5941046453. The cubic root of 20481002 is about 273.6006133640.

Adding to 20481002 its reverse (20018402), we get a palindrome (40499404).

The spelling of 20481002 in words is "twenty million, four hundred eighty-one thousand, two".