20047262 has 4 divisors (see below), whose sum is σ = 30070896. Its totient is φ = 10023630.

The previous prime is 20047259. The next prime is 20047273. The reversal of 20047262 is 26274002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011814 + ... + 5011817.

It is an arithmetic number, because the mean of its divisors is an integer number (7517724).

Almost surely, 2^20047262 is an apocalyptic number.

20047262 is a deficient number, since it is larger than the sum of its proper divisors (10023634).

20047262 is a wasteful number, since it uses less digits than its factorization.

20047262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023633.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20047262 is about 4477.4168892342. The cubic root of 20047262 is about 271.6554081341.

The spelling of 20047262 in words is "twenty million, forty-seven thousand, two hundred sixty-two".