20706352 has 20 divisors (see below), whose sum is σ = 42230680. Its totient is φ = 9808128.

The previous prime is 20706341. The next prime is 20706359. The reversal of 20706352 is 25360702.

It is not an unprimeable number, because it can be changed into a prime (20706359) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33753 + ... + 34360.

It is an arithmetic number, because the mean of its divisors is an integer number (2111534).

Almost surely, 2^20706352 is an apocalyptic number.

It is an amenable number.

20706352 is an abundant number, since it is smaller than the sum of its proper divisors (21524328).

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

20706352 is a wasteful number, since it uses less digits than its factorization.

20706352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68140 (or 68134 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 20706352 is about 4550.4232770150. The cubic root of 20706352 is about 274.6004202358.

The spelling of 20706352 in words is "twenty million, seven hundred six thousand, three hundred fifty-two".