20726363 has 6 divisors (see below), whose sum is σ = 24110316. Its totient is φ = 17765412.

The previous prime is 20726341. The next prime is 20726369. The reversal of 20726363 is 36362702.

It is not a de Polignac number, because 20726363 - 2¹⁰ = 20725339 is a prime.

It is a Duffinian number.

20726363 is a modest number, since divided by 6363 gives 2072 as remainder.

It is not an unprimeable number, because it can be changed into a prime (20726369) 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, 211445 + ... + 211542.

It is an arithmetic number, because the mean of its divisors is an integer number (4018386).

Almost surely, 2^20726363 is an apocalyptic number.

20726363 is a deficient number, since it is larger than the sum of its proper divisors (3383953).

20726363 is an equidigital number, since it uses as much as digits as its factorization.

20726363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423001 (or 422994 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 20726363 is about 4552.6215524684. The cubic root of 20726363 is about 274.6888513896.

The spelling of 20726363 in words is "twenty million, seven hundred twenty-six thousand, three hundred sixty-three".