20710148 has 12 divisors (see below), whose sum is σ = 38374812. Its totient is φ = 9745920.

The previous prime is 20710141. The next prime is 20710159. The reversal of 20710148 is 84101702.

It can be written as a sum of positive squares in 2 ways, for example, as 12054784 + 8655364 = 3472^2 + 2942^2 .

It is not an unprimeable number, because it can be changed into a prime (20710141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152213 + ... + 152348.

It is an arithmetic number, because the mean of its divisors is an integer number (3197901).

Almost surely, 2^20710148 is an apocalyptic number.

It is an amenable number.

20710148 is a deficient number, since it is larger than the sum of its proper divisors (17664664).

20710148 is a wasteful number, since it uses less digits than its factorization.

20710148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304582 (or 304580 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 20710148 is about 4550.8403619551. The cubic root of 20710148 is about 274.6171996200.

The spelling of 20710148 in words is "twenty million, seven hundred ten thousand, one hundred forty-eight".