20934334 has 4 divisors (see below), whose sum is σ = 31401504. Its totient is φ = 10467166.

The previous prime is 20934323. The next prime is 20934337. The reversal of 20934334 is 43343902.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20934337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5233582 + ... + 5233585.

It is an arithmetic number, because the mean of its divisors is an integer number (7850376).

Almost surely, 2^20934334 is an apocalyptic number.

20934334 is a deficient number, since it is larger than the sum of its proper divisors (10467170).

20934334 is a wasteful number, since it uses less digits than its factorization.

20934334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10467169.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 20934334 is about 4575.4053372352. The cubic root of 20934334 is about 275.6045498956.

It can be divided in two parts, 209 and 34334, that added together give a palindrome (34543).

The spelling of 20934334 in words is "twenty million, nine hundred thirty-four thousand, three hundred thirty-four".