20460771 has 12 divisors (see below), whose sum is σ = 29667040. Its totient is φ = 13588560.

The previous prime is 20460761. The next prime is 20460773. The reversal of 20460771 is 17706402.

It is not a de Polignac number, because 20460771 - 2¹¹ = 20458723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20460773) 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, 1756 + ... + 6633.

Almost surely, 2^20460771 is an apocalyptic number.

20460771 is a deficient number, since it is larger than the sum of its proper divisors (9206269).

20460771 is a wasteful number, since it uses less digits than its factorization.

20460771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8666 (or 8663 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 20460771 is about 4523.3583762510. The cubic root of 20460771 is about 273.5104967190.

The spelling of 20460771 in words is "twenty million, four hundred sixty thousand, seven hundred seventy-one".