20738063 has 4 divisors (see below), whose sum is σ = 21829560. Its totient is φ = 19646568.

The previous prime is 20738057. The next prime is 20738119. The reversal of 20738063 is 36083702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20738063 - 2¹⁰ = 20737039 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 (20738033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545720 + ... + 545757.

It is an arithmetic number, because the mean of its divisors is an integer number (5457390).

Almost surely, 2^20738063 is an apocalyptic number.

20738063 is a deficient number, since it is larger than the sum of its proper divisors (1091497).

20738063 is a wasteful number, since it uses less digits than its factorization.

20738063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091496.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20738063 is about 4553.9063451064. The cubic root of 20738063 is about 274.7405288115.

The spelling of 20738063 in words is "twenty million, seven hundred thirty-eight thousand, sixty-three".