20758034 has 24 divisors (see below), whose sum is σ = 35341824. Its totient is φ = 9127800.

The previous prime is 20758027. The next prime is 20758043. The reversal of 20758034 is 43085702.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20757988 and 20758006.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 6119 + ... + 8885.

It is an arithmetic number, because the mean of its divisors is an integer number (1472576).

Almost surely, 2^20758034 is an apocalyptic number.

20758034 is a deficient number, since it is larger than the sum of its proper divisors (14583790).

20758034 is a wasteful number, since it uses less digits than its factorization.

20758034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822 (or 2811 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 20758034 is about 4556.0985502950. The cubic root of 20758034 is about 274.8286933095.

The spelling of 20758034 in words is "twenty million, seven hundred fifty-eight thousand, thirty-four".