20322605454 has 8 divisors (see below), whose sum is σ = 40645210920. Its totient is φ = 6774201816.

The previous prime is 20322605453. The next prime is 20322605473. The reversal of 20322605454 is 45450622302.

It is a happy number.

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

20322605454 is an admirable number.

It is a super-2 number, since 2×20322605454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322605453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693550449 + ... + 1693550460.

It is an arithmetic number, because the mean of its divisors is an integer number (5080651365).

Almost surely, 2^20322605454 is an apocalyptic number.

20322605454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20322605454 is a wasteful number, since it uses less digits than its factorization.

20322605454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387100914.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 20322605454 in words is "twenty billion, three hundred twenty-two million, six hundred five thousand, four hundred fifty-four".