20632701 has 16 divisors (see below), whose sum is σ = 28871168. Its totient is φ = 13089600.

The previous prime is 20632693. The next prime is 20632709. The reversal of 20632701 is 10723602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20632693) and next prime (20632709).

It is not a de Polignac number, because 20632701 - 2³ = 20632693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20632709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3855 + ... + 7491.

It is an arithmetic number, because the mean of its divisors is an integer number (1804448).

Almost surely, 2^20632701 is an apocalyptic number.

It is an amenable number.

20632701 is a deficient number, since it is larger than the sum of its proper divisors (8238467).

20632701 is a wasteful number, since it uses less digits than its factorization.

20632701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 20632701 is about 4542.3233042134. The cubic root of 20632701 is about 274.2744554918.

Subtracting from 20632701 its reverse (10723602), we obtain a palindrome (9909099).

The spelling of 20632701 in words is "twenty million, six hundred thirty-two thousand, seven hundred one".