20022554454473 has 8 divisors (see below), whose sum is σ = 20039513985792. Its totient is φ = 20005595758336.

The previous prime is 20022554454391. The next prime is 20022554454491. The reversal of 20022554454473 is 37445445522002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022554454473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022554454373) 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, 53613836 + ... + 53986002.

It is an arithmetic number, because the mean of its divisors is an integer number (2504939248224).

Almost surely, 2^{20022554454473} is an apocalyptic number.

It is an amenable number.

20022554454473 is a deficient number, since it is larger than the sum of its proper divisors (16959531319).

20022554454473 is a wasteful number, since it uses less digits than its factorization.

20022554454473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417591.

The product of its (nonzero) digits is 5376000, while the sum is 47.

Adding to 20022554454473 its reverse (37445445522002), we get a palindrome (57467999976475).

The spelling of 20022554454473 in words is "twenty trillion, twenty-two billion, five hundred fifty-four million, four hundred fifty-four thousand, four hundred seventy-three".