20838701 has 8 divisors (see below), whose sum is σ = 22989624. Its totient is φ = 18766080.

The previous prime is 20838689. The next prime is 20838707. The reversal of 20838701 is 10783802.

It can be written as a sum of positive squares in 4 ways, for example, as 354025 + 20484676 = 595^2 + 4526^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20838701 - 2¹⁴ = 20822317 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 (20838707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19016 + ... + 20081.

It is an arithmetic number, because the mean of its divisors is an integer number (2873703).

Almost surely, 2^20838701 is an apocalyptic number.

It is an amenable number.

20838701 is a deficient number, since it is larger than the sum of its proper divisors (2150923).

20838701 is a wasteful number, since it uses less digits than its factorization.

20838701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39151.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 20838701 is about 4564.9426064300. The cubic root of 20838701 is about 275.1842335717.

The spelling of 20838701 in words is "twenty million, eight hundred thirty-eight thousand, seven hundred one".