20040115146 has 8 divisors (see below), whose sum is σ = 40080230304. Its totient is φ = 6680038380.

The previous prime is 20040115111. The next prime is 20040115169. The reversal of 20040115146 is 64151104002.

It is a happy number.

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

20040115146 is an admirable 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, 1670009590 + ... + 1670009601.

It is an arithmetic number, because the mean of its divisors is an integer number (5010028788).

Almost surely, 2^20040115146 is an apocalyptic number.

20040115146 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.

20040115146 is a wasteful number, since it uses less digits than its factorization.

20040115146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340019196.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 20040115146 its reverse (64151104002), we get a palindrome (84191219148).

The spelling of 20040115146 in words is "twenty billion, forty million, one hundred fifteen thousand, one hundred forty-six".