20798034 has 16 divisors (see below), whose sum is σ = 41678688. Its totient is φ = 6918912.

The previous prime is 20797999. The next prime is 20798051. The reversal of 20798034 is 43089702.

It is a junction number, because it is equal to n+sod(n) for n = 20797986 and 20798004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114 + ... + 6450.

It is an arithmetic number, because the mean of its divisors is an integer number (2604918).

Almost surely, 2^20798034 is an apocalyptic number.

20798034 is an abundant number, since it is smaller than the sum of its proper divisors (20880654).

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

20798034 is a wasteful number, since it uses less digits than its factorization.

20798034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 20798034 is about 4560.4861582950. The cubic root of 20798034 is about 275.0051084450.

The spelling of 20798034 in words is "twenty million, seven hundred ninety-eight thousand, thirty-four".