20536862 has 4 divisors (see below), whose sum is σ = 30805296. Its totient is φ = 10268430.

The previous prime is 20536847. The next prime is 20536889. The reversal of 20536862 is 26863502.

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, 5134214 + ... + 5134217.

It is an arithmetic number, because the mean of its divisors is an integer number (7701324).

Almost surely, 2^20536862 is an apocalyptic number.

20536862 is a deficient number, since it is larger than the sum of its proper divisors (10268434).

20536862 is a wasteful number, since it uses less digits than its factorization.

20536862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268433.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 20536862 is about 4531.7614676856. The cubic root of 20536862 is about 273.8491275181.

The spelling of 20536862 in words is "twenty million, five hundred thirty-six thousand, eight hundred sixty-two".