20969514 has 24 divisors (see below), whose sum is σ = 47410272. Its totient is φ = 6685800.

The previous prime is 20969513. The next prime is 20969527. The reversal of 20969514 is 41596902.

It is not an unprimeable number, because it can be changed into a prime (20969513) 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, 24912 + ... + 25739.

It is an arithmetic number, because the mean of its divisors is an integer number (1975428).

Almost surely, 2^20969514 is an apocalyptic number.

20969514 is an abundant number, since it is smaller than the sum of its proper divisors (26440758).

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

20969514 is a wasteful number, since it uses less digits than its factorization.

20969514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50682 (or 50679 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 20969514 is about 4579.2481915703. The cubic root of 20969514 is about 275.7588473273.

The spelling of 20969514 in words is "twenty million, nine hundred sixty-nine thousand, five hundred fourteen".