20769652 has 12 divisors (see below), whose sum is σ = 36963360. Its totient is φ = 10208696.

The previous prime is 20769649. The next prime is 20769689. The reversal of 20769652 is 25696702.

It is a super-2 number, since 2×20769652² = 862756888402208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43768 + ... + 44239.

It is an arithmetic number, because the mean of its divisors is an integer number (3080280).

Almost surely, 2^20769652 is an apocalyptic number.

It is an amenable number.

20769652 is a deficient number, since it is larger than the sum of its proper divisors (16193708).

20769652 is a wasteful number, since it uses less digits than its factorization.

20769652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88070 (or 88068 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 20769652 is about 4557.3733663153. The cubic root of 20769652 is about 274.8799564214.

The spelling of 20769652 in words is "twenty million, seven hundred sixty-nine thousand, six hundred fifty-two".