20948302 has 4 divisors (see below), whose sum is σ = 31422456. Its totient is φ = 10474150.

The previous prime is 20948261. The next prime is 20948321. The reversal of 20948302 is 20384902.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20384902 = 2 ⋅10192451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5237074 + ... + 5237077.

It is an arithmetic number, because the mean of its divisors is an integer number (7855614).

Almost surely, 2^20948302 is an apocalyptic number.

20948302 is a deficient number, since it is larger than the sum of its proper divisors (10474154).

20948302 is a wasteful number, since it uses less digits than its factorization.

20948302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474153.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 20948302 is about 4576.9315048403. The cubic root of 20948302 is about 275.6658334068.

The spelling of 20948302 in words is "twenty million, nine hundred forty-eight thousand, three hundred two".