20134333144 has 16 divisors (see below), whose sum is σ = 37753383600. Its totient is φ = 10066764192.

The previous prime is 20134333073. The next prime is 20134333171. The reversal of 20134333144 is 44133343102.

It is a congruent 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, 346474 + ... + 400390.

It is an arithmetic number, because the mean of its divisors is an integer number (2359586475).

Almost surely, 2^20134333144 is an apocalyptic number.

It is an amenable number.

20134333144 is a deficient number, since it is larger than the sum of its proper divisors (17619050456).

20134333144 is a wasteful number, since it uses less digits than its factorization.

20134333144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100602 (or 100598 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20134333144 its reverse (44133343102), we get a palindrome (64267676246).

The spelling of 20134333144 in words is "twenty billion, one hundred thirty-four million, three hundred thirty-three thousand, one hundred forty-four".