20047063 has 12 divisors (see below), whose sum is σ = 21617712. Its totient is φ = 18583040.

The previous prime is 20047037. The next prime is 20047121. The reversal of 20047063 is 36074002.

It is not a de Polignac number, because 20047063 - 2¹⁷ = 19915991 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 (20047663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20031 + ... + 21007.

It is an arithmetic number, because the mean of its divisors is an integer number (1801476).

Almost surely, 2^20047063 is an apocalyptic number.

20047063 is a deficient number, since it is larger than the sum of its proper divisors (1570649).

20047063 is an equidigital number, since it uses as much as digits as its factorization.

20047063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 20047063 is about 4477.3946665444. The cubic root of 20047063 is about 271.6545092648.

The spelling of 20047063 in words is "twenty million, forty-seven thousand, sixty-three".