20741470 has 16 divisors (see below), whose sum is σ = 37467360. Its totient is φ = 8267104.

The previous prime is 20741447. The next prime is 20741471. The reversal of 20741470 is 7414702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20741471) 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, 610 + ... + 6469.

It is an arithmetic number, because the mean of its divisors is an integer number (2341710).

Almost surely, 2^20741470 is an apocalyptic number.

20741470 is a deficient number, since it is larger than the sum of its proper divisors (16725890).

20741470 is a wasteful number, since it uses less digits than its factorization.

20741470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7379.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 20741470 is about 4554.2804041912. The cubic root of 20741470 is about 274.7555734458.

The spelling of 20741470 in words is "twenty million, seven hundred forty-one thousand, four hundred seventy".