20948270 has 16 divisors (see below), whose sum is σ = 43093728. Its totient is φ = 7182240.

The previous prime is 20948261. The next prime is 20948321. The reversal of 20948270 is 7284902.

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, 149561 + ... + 149700.

It is an arithmetic number, because the mean of its divisors is an integer number (2693358).

Almost surely, 2^20948270 is an apocalyptic number.

20948270 is an abundant number, since it is smaller than the sum of its proper divisors (22145458).

20948270 is a wasteful number, since it uses less digits than its factorization.

20948270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299275.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 20948270 is about 4576.9280090471. The cubic root of 20948270 is about 275.6656930404.

The spelling of 20948270 in words is "twenty million, nine hundred forty-eight thousand, two hundred seventy".