20136401511146 has 32 divisors (see below), whose sum is σ = 32009952522240. Its totient is φ = 9467478637056.

The previous prime is 20136401511137. The next prime is 20136401511199. The reversal of 20136401511146 is 64111510463102.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493676165 + ... + 493716951.

It is an arithmetic number, because the mean of its divisors is an integer number (1000311016320).

Almost surely, 2^{20136401511146} is an apocalyptic number.

20136401511146 is a deficient number, since it is larger than the sum of its proper divisors (11873551011094).

20136401511146 is a wasteful number, since it uses less digits than its factorization.

20136401511146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53438.

The product of its (nonzero) digits is 17280, while the sum is 35.

Adding to 20136401511146 its reverse (64111510463102), we get a palindrome (84247911974248).

The spelling of 20136401511146 in words is "twenty trillion, one hundred thirty-six billion, four hundred one million, five hundred eleven thousand, one hundred forty-six".