20795146 has 16 divisors (see below), whose sum is σ = 32464800. Its totient is φ = 9977968.

The previous prime is 20795143. The next prime is 20795149. The reversal of 20795146 is 64159702.

It is an interprime number because it is at equal distance from previous prime (20795143) and next prime (20795149).

It is a super-2 number, since 2×20795146² = 864876194322632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20795143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9381 + ... + 11383.

It is an arithmetic number, because the mean of its divisors is an integer number (2029050).

Almost surely, 2^20795146 is an apocalyptic number.

20795146 is a deficient number, since it is larger than the sum of its proper divisors (11669654).

20795146 is a wasteful number, since it uses less digits than its factorization.

20795146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 20795146 is about 4560.1695143931. The cubic root of 20795146 is about 274.9923788522.

It can be divided in two parts, 2079 and 5146, that added together give a square (7225 = 85²).

The spelling of 20795146 in words is "twenty million, seven hundred ninety-five thousand, one hundred forty-six".