20334020133 has 32 divisors (see below), whose sum is σ = 31477994496. Its totient is φ = 11435326848.

The previous prime is 20334020129. The next prime is 20334020137. The reversal of 20334020133 is 33102043302.

It is an interprime number because it is at equal distance from previous prime (20334020129) and next prime (20334020137).

It is not a de Polignac number, because 20334020133 - 2² = 20334020129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334020137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 701710 + ... + 730112.

It is an arithmetic number, because the mean of its divisors is an integer number (983687328).

Almost surely, 2^20334020133 is an apocalyptic number.

It is an amenable number.

20334020133 is a deficient number, since it is larger than the sum of its proper divisors (11143974363).

20334020133 is a wasteful number, since it uses less digits than its factorization.

20334020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28953.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20334020133 its reverse (33102043302), we get a palindrome (53436063435).

The spelling of 20334020133 in words is "twenty billion, three hundred thirty-four million, twenty thousand, one hundred thirty-three".