20332134 has 20 divisors (see below), whose sum is σ = 45559404. Its totient is φ = 6777324.

The previous prime is 20332133. The next prime is 20332159. The reversal of 20332134 is 43123302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332133) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62592 + ... + 62915.

Almost surely, 2^20332134 is an apocalyptic number.

20332134 is an abundant number, since it is smaller than the sum of its proper divisors (25227270).

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

20332134 is a wasteful number, since it uses less digits than its factorization.

20332134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125521 (or 125512 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 20332134 is about 4509.1167649552. The cubic root of 20332134 is about 272.9361038724.

Adding to 20332134 its reverse (43123302), we get a palindrome (63455436).

The spelling of 20332134 in words is "twenty million, three hundred thirty-two thousand, one hundred thirty-four".