20122552454 has 16 divisors (see below), whose sum is σ = 30250618992. Its totient is φ = 10039031808.

The previous prime is 20122552447. The next prime is 20122552459. The reversal of 20122552454 is 45425522102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122552454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122552459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3261977 + ... + 3268139.

It is an arithmetic number, because the mean of its divisors is an integer number (1890663687).

Almost surely, 2^20122552454 is an apocalyptic number.

20122552454 is a deficient number, since it is larger than the sum of its proper divisors (10128066538).

20122552454 is a wasteful number, since it uses less digits than its factorization.

20122552454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9511.

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 20122552454 in words is "twenty billion, one hundred twenty-two million, five hundred fifty-two thousand, four hundred fifty-four".