20270948 has 24 divisors (see below), whose sum is σ = 37699200. Its totient is φ = 9510048.

The previous prime is 20270947. The next prime is 20270969. The reversal of 20270948 is 84907202.

It is a super-2 number, since 2×20270948² = 821822665637408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20270947) 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 7 ways as a sum of consecutive naturals, for example, 7061 + ... + 9507.

It is an arithmetic number, because the mean of its divisors is an integer number (1570800).

Almost surely, 2^20270948 is an apocalyptic number.

It is an amenable number.

20270948 is a deficient number, since it is larger than the sum of its proper divisors (17428252).

20270948 is a wasteful number, since it uses less digits than its factorization.

20270948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579 (or 2577 counting only the distinct ones).

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

The square root of 20270948 is about 4502.3269539206. The cubic root of 20270948 is about 272.6620442928.

The spelling of 20270948 in words is "twenty million, two hundred seventy thousand, nine hundred forty-eight".