20395468 has 24 divisors (see below), whose sum is σ = 37154880. Its totient is φ = 9784320.

The previous prime is 20395447. The next prime is 20395469. The reversal of 20395468 is 86459302.

It is a super-2 number, since 2×20395468² = 831950229878048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20395469) 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, 21933 + ... + 22843.

It is an arithmetic number, because the mean of its divisors is an integer number (1548120).

Almost surely, 2^20395468 is an apocalyptic number.

It is an amenable number.

20395468 is a deficient number, since it is larger than the sum of its proper divisors (16759412).

20395468 is a wasteful number, since it uses less digits than its factorization.

20395468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 20395468 is about 4516.1341875547. The cubic root of 20395468 is about 273.2192061052.

The spelling of 20395468 in words is "twenty million, three hundred ninety-five thousand, four hundred sixty-eight".