20962634 has 32 divisors (see below), whose sum is σ = 40476672. Its totient is φ = 7902000.

The previous prime is 20962631. The next prime is 20962687. The reversal of 20962634 is 43626902.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 20962634.

It is not an unprimeable number, because it can be changed into a prime (20962631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2579 + ... + 6969.

It is an arithmetic number, because the mean of its divisors is an integer number (1264896).

Almost surely, 2^20962634 is an apocalyptic number.

20962634 is a deficient number, since it is larger than the sum of its proper divisors (19514038).

20962634 is a wasteful number, since it uses less digits than its factorization.

20962634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 20962634 is about 4578.4969149274. The cubic root of 20962634 is about 275.7286856300.

The spelling of 20962634 in words is "twenty million, nine hundred sixty-two thousand, six hundred thirty-four".