20962534 has 16 divisors (see below), whose sum is σ = 32980320. Its totient is φ = 9979200.

The previous prime is 20962481. The next prime is 20962559. The reversal of 20962534 is 43526902.

It is a junction number, because it is equal to n+sod(n) for n = 20962496 and 20962505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759 + ... + 6709.

It is an arithmetic number, because the mean of its divisors is an integer number (2061270).

Almost surely, 2^20962534 is an apocalyptic number.

20962534 is a deficient number, since it is larger than the sum of its proper divisors (12017786).

20962534 is a wasteful number, since it uses less digits than its factorization.

20962534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 20962534 is about 4578.4859942999. The cubic root of 20962534 is about 275.7282471846.

The spelling of 20962534 in words is "twenty million, nine hundred sixty-two thousand, five hundred thirty-four".