20822348 has 24 divisors (see below), whose sum is σ = 39916800. Its totient is φ = 9459968.

The previous prime is 20822341. The next prime is 20822353. The reversal of 20822348 is 84322802.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 20822348.

It is not an unprimeable number, because it can be changed into a prime (20822341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3308 + ... + 7251.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^20822348 is an apocalyptic number.

It is an amenable number.

20822348 is a deficient number, since it is larger than the sum of its proper divisors (19094452).

20822348 is a wasteful number, since it uses less digits than its factorization.

20822348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10609 (or 10607 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 20822348 is about 4563.1511042261. The cubic root of 20822348 is about 275.1122318761.

The spelling of 20822348 in words is "twenty million, eight hundred twenty-two thousand, three hundred forty-eight".