20468770 has 48 divisors (see below), whose sum is σ = 44056440. Its totient is φ = 6822144.

The previous prime is 20468753. The next prime is 20468771. The reversal of 20468770 is 7786402.

It can be written as a sum of positive squares in 4 ways, for example, as 16088121 + 4380649 = 4011^2 + 2093^2 .

It is not an unprimeable number, because it can be changed into a prime (20468771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17566 + ... + 18694.

Almost surely, 2^20468770 is an apocalyptic number.

20468770 is an abundant number, since it is smaller than the sum of its proper divisors (23587670).

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

20468770 is a wasteful number, since it uses less digits than its factorization.

20468770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 20468770 is about 4524.2424780288. The cubic root of 20468770 is about 273.5461344347.

It can be divided in two parts, 2046 and 8770, that added together give a square (10816 = 104²).

The spelling of 20468770 in words is "twenty million, four hundred sixty-eight thousand, seven hundred seventy".