20465698 has 24 divisors (see below), whose sum is σ = 35526960. Its totient is φ = 8811000.

The previous prime is 20465693. The next prime is 20465707. The reversal of 20465698 is 89656402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20465698.

It is not an unprimeable number, because it can be changed into a prime (20465693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2373 + ... + 6823.

It is an arithmetic number, because the mean of its divisors is an integer number (1480290).

Almost surely, 2^20465698 is an apocalyptic number.

20465698 is a deficient number, since it is larger than the sum of its proper divisors (15061262).

20465698 is a wasteful number, since it uses less digits than its factorization.

20465698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4494 (or 4483 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 20465698 is about 4523.9029609398. The cubic root of 20465698 is about 273.5324489394.

It can be divided in two parts, 2046 and 5698, that added together give a square (7744 = 88²).

The spelling of 20465698 in words is "twenty million, four hundred sixty-five thousand, six hundred ninety-eight".