20696160 has 48 divisors (see below), whose sum is σ = 65194416. Its totient is φ = 5518848.

The previous prime is 20696147. The next prime is 20696177. The reversal of 20696160 is 6169602.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21079 + ... + 22038.

It is an arithmetic number, because the mean of its divisors is an integer number (1358217).

Almost surely, 2^20696160 is an apocalyptic number.

20696160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20696160 is an abundant number, since it is smaller than the sum of its proper divisors (44498256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20696160 is a wasteful number, since it uses less digits than its factorization.

20696160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43135 (or 43127 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 20696160 is about 4549.3032433550. The cubic root of 20696160 is about 274.5553585916. Note that the first 3 decimals are identical.

The spelling of 20696160 in words is "twenty million, six hundred ninety-six thousand, one hundred sixty".