20697096 has 64 divisors (see below), whose sum is σ = 59472000. Its totient is φ = 5879808.

The previous prime is 20697091. The next prime is 20697101. The reversal of 20697096 is 69079602.

It is an interprime number because it is at equal distance from previous prime (20697091) and next prime (20697101).

It is a hoax number, since the sum of its digits (39) 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 (20697091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58456 + ... + 58808.

It is an arithmetic number, because the mean of its divisors is an integer number (929250).

Almost surely, 2^20697096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20697096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29736000).

20697096 is an abundant number, since it is smaller than the sum of its proper divisors (38774904).

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

20697096 is a wasteful number, since it uses less digits than its factorization.

20697096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 20697096 is about 4549.4061150880. The cubic root of 20697096 is about 274.5594975227.

The spelling of 20697096 in words is "twenty million, six hundred ninety-seven thousand, ninety-six".