20412701 has 4 divisors (see below), whose sum is σ = 20427900. Its totient is φ = 20397504.

The previous prime is 20412697. The next prime is 20412703. The reversal of 20412701 is 10721402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10721402 = 2 ⋅5360701.

It can be written as a sum of positive squares in 2 ways, for example, as 11256025 + 9156676 = 3355^2 + 3026^2 .

It is a cyclic number.

It is not a de Polignac number, because 20412701 - 2² = 20412697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20412701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412703) 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, 5366 + ... + 8343.

It is an arithmetic number, because the mean of its divisors is an integer number (5106975).

Almost surely, 2^20412701 is an apocalyptic number.

It is an amenable number.

20412701 is a deficient number, since it is larger than the sum of its proper divisors (15199).

20412701 is a wasteful number, since it uses less digits than its factorization.

20412701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15198.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 20412701 is about 4518.0417218082. The cubic root of 20412701 is about 273.2961359587.

The spelling of 20412701 in words is "twenty million, four hundred twelve thousand, seven hundred one".