20747002 has 8 divisors (see below), whose sum is σ = 31161312. Its totient is φ = 10359900.

The previous prime is 20746963. The next prime is 20747011. The reversal of 20747002 is 20074702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4774 + ... + 8017.

It is an arithmetic number, because the mean of its divisors is an integer number (3895164).

Almost surely, 2^20747002 is an apocalyptic number.

20747002 is a deficient number, since it is larger than the sum of its proper divisors (10414310).

20747002 is a wasteful number, since it uses less digits than its factorization.

20747002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 20747002 is about 4554.8877044336. The cubic root of 20747002 is about 274.7799981487.

It can be divided in two parts, 2074700 and 2, that added together give a palindrome (2074702).

The spelling of 20747002 in words is "twenty million, seven hundred forty-seven thousand, two".