20005151233164 has 24 divisors (see below), whose sum is σ = 46679734371648. Its totient is φ = 6668234007120.

The previous prime is 20005151233129. The next prime is 20005151233187. The reversal of 20005151233164 is 46133215150002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18159822 + ... + 19229909.

It is an arithmetic number, because the mean of its divisors is an integer number (1944988932152).

Almost surely, 2^{20005151233164} is an apocalyptic number.

It is an amenable number.

20005151233164 is an abundant number, since it is smaller than the sum of its proper divisors (26674583138484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20005151233164 is a wasteful number, since it uses less digits than its factorization.

20005151233164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37434325 (or 37434323 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 20005151233164 its reverse (46133215150002), we get a palindrome (66138366383166).

The spelling of 20005151233164 in words is "twenty trillion, five billion, one hundred fifty-one million, two hundred thirty-three thousand, one hundred sixty-four".