20825703 has 6 divisors (see below), whose sum is σ = 30081584. Its totient is φ = 13883796.

The previous prime is 20825699. The next prime is 20825713. The reversal of 20825703 is 30752802.

It is not a de Polignac number, because 20825703 - 2² = 20825699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20825713) 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, 1156975 + ... + 1156992.

Almost surely, 2^20825703 is an apocalyptic number.

20825703 is a deficient number, since it is larger than the sum of its proper divisors (9255881).

20825703 is a wasteful number, since it uses less digits than its factorization.

20825703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313973 (or 2313970 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 20825703 is about 4563.5187081900. The cubic root of 20825703 is about 275.1270068984.

It can be divided in two parts, 20825 and 703, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 20825703 in words is "twenty million, eight hundred twenty-five thousand, seven hundred three".