20914070 has 16 divisors (see below), whose sum is σ = 38019888. Its totient is φ = 8282400.

The previous prime is 20914051. The next prime is 20914081. The reversal of 20914070 is 7041902.

It is a super-3 number, since 3×20914070³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9344 + ... + 11363.

It is an arithmetic number, because the mean of its divisors is an integer number (2376243).

Almost surely, 2^20914070 is an apocalyptic number.

20914070 is a deficient number, since it is larger than the sum of its proper divisors (17105818).

20914070 is a wasteful number, since it uses less digits than its factorization.

20914070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20815.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 20914070 is about 4573.1903524782. The cubic root of 20914070 is about 275.5155946961.

Adding to 20914070 its reverse (7041902), we get a palindrome (27955972).

The spelling of 20914070 in words is "twenty million, nine hundred fourteen thousand, seventy".