20134681354 has 8 divisors (see below), whose sum is σ = 30322349568. Its totient is φ = 10027231500.

The previous prime is 20134681351. The next prime is 20134681363. The reversal of 20134681354 is 45318643102.

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

It is not an unprimeable number, because it can be changed into a prime (20134681351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20053962 + ... + 20054965.

It is an arithmetic number, because the mean of its divisors is an integer number (3790293696).

Almost surely, 2^20134681354 is an apocalyptic number.

20134681354 is a deficient number, since it is larger than the sum of its proper divisors (10187668214).

20134681354 is a wasteful number, since it uses less digits than its factorization.

20134681354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40109180.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 20134681354 in words is "twenty billion, one hundred thirty-four million, six hundred eighty-one thousand, three hundred fifty-four".