20117073012142 has 8 divisors (see below), whose sum is σ = 31487592540816. Its totient is φ = 9621208831872.

The previous prime is 20117073012121. The next prime is 20117073012173. The reversal of 20117073012142 is 24121037071102.

It is a happy number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218663837043 + ... + 218663837134.

It is an arithmetic number, because the mean of its divisors is an integer number (3935949067602).

Almost surely, 2^{20117073012142} is an apocalyptic number.

20117073012142 is a deficient number, since it is larger than the sum of its proper divisors (11370519528674).

20117073012142 is a wasteful number, since it uses less digits than its factorization.

20117073012142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437327674202.

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 20117073012142 in words is "twenty trillion, one hundred seventeen billion, seventy-three million, twelve thousand, one hundred forty-two".