20468070 has 96 divisors (see below), whose sum is σ = 62068032. Its totient is φ = 4582656.

The previous prime is 20468069. The next prime is 20468081. The reversal of 20468070 is 7086402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33084 + ... + 33696.

It is an arithmetic number, because the mean of its divisors is an integer number (646542).

Almost surely, 2^20468070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20468070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31034016).

20468070 is an abundant number, since it is smaller than the sum of its proper divisors (41599962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20468070 is a wasteful number, since it uses less digits than its factorization.

20468070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 20468070 is about 4524.1651163502. The cubic root of 20468070 is about 273.5430161155.

The spelling of 20468070 in words is "twenty million, four hundred sixty-eight thousand, seventy".