20653514 has 8 divisors (see below), whose sum is σ = 35406048. Its totient is φ = 8851500.

The previous prime is 20653499. The next prime is 20653519. The reversal of 20653514 is 41535602.

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

It is not an unprimeable number, because it can be changed into a prime (20653519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737612 + ... + 737639.

It is an arithmetic number, because the mean of its divisors is an integer number (4425756).

Almost surely, 2^20653514 is an apocalyptic number.

20653514 is a deficient number, since it is larger than the sum of its proper divisors (14752534).

20653514 is a wasteful number, since it uses less digits than its factorization.

20653514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475260.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 20653514 is about 4544.6137349614. The cubic root of 20653514 is about 274.3666482342.

The spelling of 20653514 in words is "twenty million, six hundred fifty-three thousand, five hundred fourteen".