20154022344 has 32 divisors (see below), whose sum is σ = 55983396000. Its totient is φ = 6718007376.

The previous prime is 20154022331. The next prime is 20154022363. The reversal of 20154022344 is 44322045102.

20154022344 is a `hidden beast` number, since 20 + 1 + 5 + 402 + 234 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 7 ways as a sum of consecutive naturals, for example, 46652614 + ... + 46653045.

It is an arithmetic number, because the mean of its divisors is an integer number (1749481125).

Almost surely, 2^20154022344 is an apocalyptic number.

20154022344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20154022344 is an abundant number, since it is smaller than the sum of its proper divisors (35829373656).

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

20154022344 is a wasteful number, since it uses less digits than its factorization.

20154022344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93305674 (or 93305664 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20154022344 its reverse (44322045102), we get a palindrome (64476067446).

The spelling of 20154022344 in words is "twenty billion, one hundred fifty-four million, twenty-two thousand, three hundred forty-four".