20339334 has 12 divisors (see below), whose sum is σ = 44068596. Its totient is φ = 6779772.

The previous prime is 20339323. The next prime is 20339339. The reversal of 20339334 is 43393302.

It is a junction number, because it is equal to n+sod(n) for n = 20339298 and 20339307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20339339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564964 + ... + 564999.

It is an arithmetic number, because the mean of its divisors is an integer number (3672383).

Almost surely, 2^20339334 is an apocalyptic number.

20339334 is an abundant number, since it is smaller than the sum of its proper divisors (23729262).

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

20339334 is a wasteful number, since it uses less digits than its factorization.

20339334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129971 (or 1129968 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

The square root of 20339334 is about 4509.9150768058. The cubic root of 20339334 is about 272.9683173795.

The spelling of 20339334 in words is "twenty million, three hundred thirty-nine thousand, three hundred thirty-four".