20154005342 has 32 divisors (see below), whose sum is σ = 32179762944. Its totient is φ = 9433840000.

The previous prime is 20154005327. The next prime is 20154005363. The reversal of 20154005342 is 24350045102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10436117 + ... + 10438047.

It is an arithmetic number, because the mean of its divisors is an integer number (1005617592).

Almost surely, 2^20154005342 is an apocalyptic number.

20154005342 is a deficient number, since it is larger than the sum of its proper divisors (12025757602).

20154005342 is a wasteful number, since it uses less digits than its factorization.

20154005342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 20154005342 in words is "twenty billion, one hundred fifty-four million, five thousand, three hundred forty-two".