20908034 has 32 divisors (see below), whose sum is σ = 37180416. Its totient is φ = 8631360.

The previous prime is 20908021. The next prime is 20908099. The reversal of 20908034 is 43080902.

It is a junction number, because it is equal to n+sod(n) for n = 20907994 and 20908012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93647 + ... + 93869.

It is an arithmetic number, because the mean of its divisors is an integer number (1161888).

Almost surely, 2^20908034 is an apocalyptic number.

20908034 is a deficient number, since it is larger than the sum of its proper divisors (16272382).

20908034 is a wasteful number, since it uses less digits than its factorization.

20908034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20908034 is about 4572.5303716870. The cubic root of 20908034 is about 275.4890866700.

Adding to 20908034 its reverse (43080902), we get a palindrome (63988936).

The spelling of 20908034 in words is "twenty million, nine hundred eight thousand, thirty-four".