20142055434 has 8 divisors (see below), whose sum is σ = 40284110880. Its totient is φ = 6714018476.

The previous prime is 20142055411. The next prime is 20142055457. The reversal of 20142055434 is 43455024102.

It is an interprime number because it is at equal distance from previous prime (20142055411) and next prime (20142055457).

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

20142055434 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678504614 + ... + 1678504625.

It is an arithmetic number, because the mean of its divisors is an integer number (5035513860).

Almost surely, 2^20142055434 is an apocalyptic number.

20142055434 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.

20142055434 is a wasteful number, since it uses less digits than its factorization.

20142055434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357009244.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 20142055434 its reverse (43455024102), we get a palindrome (63597079536).

The spelling of 20142055434 in words is "twenty billion, one hundred forty-two million, fifty-five thousand, four hundred thirty-four".