20451014 has 4 divisors (see below), whose sum is σ = 30676524. Its totient is φ = 10225506.

The previous prime is 20451007. The next prime is 20451029. The reversal of 20451014 is 41015402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41015402 = 2 ⋅20507701.

It is a super-4 number, since 4×20451014⁴ (a number of 30 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20450983 and 20451001.

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 as a sum of consecutive naturals, namely, 5112752 + ... + 5112755.

It is an arithmetic number, because the mean of its divisors is an integer number (7669131).

Almost surely, 2^20451014 is an apocalyptic number.

20451014 is a deficient number, since it is larger than the sum of its proper divisors (10225510).

20451014 is a wasteful number, since it uses less digits than its factorization.

20451014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10225509.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 20451014 is about 4522.2797348240. The cubic root of 20451014 is about 273.4670140594.

Adding to 20451014 its reverse (41015402), we get a palindrome (61466416).

The spelling of 20451014 in words is "twenty million, four hundred fifty-one thousand, fourteen".