20116422546 has 32 divisors (see below), whose sum is σ = 44253124416. Its totient is φ = 6095883200.

The previous prime is 20116422533. The next prime is 20116422551. The reversal of 20116422546 is 64522461102.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1251495 + ... + 1267466.

It is an arithmetic number, because the mean of its divisors is an integer number (1382910138).

Almost surely, 2^20116422546 is an apocalyptic number.

20116422546 is an abundant number, since it is smaller than the sum of its proper divisors (24136701870).

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

20116422546 is a wasteful number, since it uses less digits than its factorization.

20116422546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518999 (or 2518977 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 20116422546 its reverse (64522461102), we get a palindrome (84638883648).

The spelling of 20116422546 in words is "twenty billion, one hundred sixteen million, four hundred twenty-two thousand, five hundred forty-six".