20462969 has 8 divisors (see below), whose sum is σ = 21178080. Its totient is φ = 19758816.

The previous prime is 20462933. The next prime is 20462983. The reversal of 20462969 is 96926402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20462969 - 2¹² = 20458873 is a prime.

It is a super-3 number, since 3×20462969³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20465969) 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, 1154 + ... + 6500.

It is an arithmetic number, because the mean of its divisors is an integer number (2647260).

Almost surely, 2^20462969 is an apocalyptic number.

It is an amenable number.

20462969 is a deficient number, since it is larger than the sum of its proper divisors (715111).

20462969 is an equidigital number, since it uses as much as digits as its factorization.

20462969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 20462969 is about 4523.6013307983. The cubic root of 20462969 is about 273.5202903308.

The spelling of 20462969 in words is "twenty million, four hundred sixty-two thousand, nine hundred sixty-nine".