20481294 has 16 divisors (see below), whose sum is σ = 43372368. Its totient is φ = 6425472.

The previous prime is 20481283. The next prime is 20481317. The reversal of 20481294 is 49218402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100297 + ... + 100500.

It is an arithmetic number, because the mean of its divisors is an integer number (2710773).

Almost surely, 2^20481294 is an apocalyptic number.

20481294 is an abundant number, since it is smaller than the sum of its proper divisors (22891074).

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

20481294 is a wasteful number, since it uses less digits than its factorization.

20481294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200819.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 20481294 is about 4525.6263654880. The cubic root of 20481294 is about 273.6019136096.

Adding to 20481294 its reverse (49218402), we get a palindrome (69699696).

The spelling of 20481294 in words is "twenty million, four hundred eighty-one thousand, two hundred ninety-four".