20951348 has 12 divisors (see below), whose sum is σ = 39998112. Its totient is φ = 9523320.

The previous prime is 20951347. The next prime is 20951351. The reversal of 20951348 is 84315902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20951347) 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, 238040 + ... + 238127.

It is an arithmetic number, because the mean of its divisors is an integer number (3333176).

Almost surely, 2^20951348 is an apocalyptic number.

It is an amenable number.

20951348 is a deficient number, since it is larger than the sum of its proper divisors (19046764).

20951348 is a wasteful number, since it uses less digits than its factorization.

20951348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476182 (or 476180 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 20951348 is about 4577.2642484349. The cubic root of 20951348 is about 275.6791938760.

It can be divided in two parts, 2095 and 1348, that added together give a palindrome (3443).

The spelling of 20951348 in words is "twenty million, nine hundred fifty-one thousand, three hundred forty-eight".