20948654 has 8 divisors (see below), whose sum is σ = 32153880. Its totient is φ = 10230696.

The previous prime is 20948651. The next prime is 20948657. The reversal of 20948654 is 45684902.

It is an interprime number because it is at equal distance from previous prime (20948651) and next prime (20948657).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20948654² = 877692208823432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20948651) 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, 121709 + ... + 121880.

It is an arithmetic number, because the mean of its divisors is an integer number (4019235).

Almost surely, 2^20948654 is an apocalyptic number.

20948654 is a deficient number, since it is larger than the sum of its proper divisors (11205226).

20948654 is a wasteful number, since it uses less digits than its factorization.

20948654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243634.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 20948654 is about 4576.9699583895. The cubic root of 20948654 is about 275.6673774274.

The spelling of 20948654 in words is "twenty million, nine hundred forty-eight thousand, six hundred fifty-four".