20739083 has 2 divisors, whose sum is σ = 20739084. Its totient is φ = 20739082.

The previous prime is 20739053. The next prime is 20739101. The reversal of 20739083 is 38093702.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20739083 is a prime.

It is not a weakly prime, because it can be changed into another prime (20739023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10369541 + 10369542.

It is an arithmetic number, because the mean of its divisors is an integer number (10369542).

Almost surely, 2^20739083 is an apocalyptic number.

20739083 is a deficient number, since it is larger than the sum of its proper divisors (1).

20739083 is an equidigital number, since it uses as much as digits as its factorization.

20739083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 20739083 is about 4554.0183354923. The cubic root of 20739083 is about 274.7450331014.

The spelling of 20739083 in words is "twenty million, seven hundred thirty-nine thousand, eighty-three".