20874070 has 16 divisors (see below), whose sum is σ = 42941088. Its totient is φ = 7156800.

The previous prime is 20874059. The next prime is 20874107. The reversal of 20874070 is 7047802.

It is a congruent number.

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, 149031 + ... + 149170.

It is an arithmetic number, because the mean of its divisors is an integer number (2683818).

Almost surely, 2^20874070 is an apocalyptic number.

20874070 is an abundant number, since it is smaller than the sum of its proper divisors (22067018).

20874070 is a wasteful number, since it uses less digits than its factorization.

20874070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298215.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 20874070 is about 4568.8149448188. The cubic root of 20874070 is about 275.3398333190.

The spelling of 20874070 in words is "twenty million, eight hundred seventy-four thousand, seventy".