20451152333254 has 16 divisors (see below), whose sum is σ = 31425203761056. Its totient is φ = 9976088577600.

The previous prime is 20451152333231. The next prime is 20451152333291. The reversal of 20451152333254 is 45233325115402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9485104 + ... + 11439820.

It is an arithmetic number, because the mean of its divisors is an integer number (1964075235066).

Almost surely, 2^{20451152333254} is an apocalyptic number.

20451152333254 is a deficient number, since it is larger than the sum of its proper divisors (10974051427802).

20451152333254 is a wasteful number, since it uses less digits than its factorization.

20451152333254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082351.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 20451152333254 its reverse (45233325115402), we get a palindrome (65684477448656).

The spelling of 20451152333254 in words is "twenty trillion, four hundred fifty-one billion, one hundred fifty-two million, three hundred thirty-three thousand, two hundred fifty-four".