20146814097 has 8 divisors (see below), whose sum is σ = 28030350144. Its totient is φ = 12847243728.

The previous prime is 20146814081. The next prime is 20146814117. The reversal of 20146814097 is 79041864102.

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

It is not a de Polignac number, because 20146814097 - 2⁴ = 20146814081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20146814197) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 145991338 + ... + 145991475.

It is an arithmetic number, because the mean of its divisors is an integer number (3503793768).

Almost surely, 2^20146814097 is an apocalyptic number.

It is an amenable number.

20146814097 is a deficient number, since it is larger than the sum of its proper divisors (7883536047).

20146814097 is a wasteful number, since it uses less digits than its factorization.

20146814097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291982839.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 20146814097 in words is "twenty billion, one hundred forty-six million, eight hundred fourteen thousand, ninety-seven".