20129614 has 8 divisors (see below), whose sum is σ = 30645288. Its totient is φ = 9914520.

The previous prime is 20129597. The next prime is 20129639. The reversal of 20129614 is 41692102.

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

It is a congruent 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, 74977 + ... + 75244.

It is an arithmetic number, because the mean of its divisors is an integer number (3830661).

Almost surely, 2^20129614 is an apocalyptic number.

20129614 is a deficient number, since it is larger than the sum of its proper divisors (10515674).

20129614 is a wasteful number, since it uses less digits than its factorization.

20129614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150290.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 20129614 is about 4486.6038380940. The cubic root of 20129614 is about 272.0268770298.

The spelling of 20129614 in words is "twenty million, one hundred twenty-nine thousand, six hundred fourteen".