20547002 has 16 divisors (see below), whose sum is σ = 35283840. Its totient is φ = 8790768.

The previous prime is 20546983. The next prime is 20547013. The reversal of 20547002 is 20074502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12068 + ... + 13664.

It is an arithmetic number, because the mean of its divisors is an integer number (2205240).

Almost surely, 2^20547002 is an apocalyptic number.

20547002 is a deficient number, since it is larger than the sum of its proper divisors (14736838).

20547002 is a wasteful number, since it uses less digits than its factorization.

20547002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 20547002 is about 4532.8800998923. The cubic root of 20547002 is about 273.8941907685.

The spelling of 20547002 in words is "twenty million, five hundred forty-seven thousand, two".