20994322 has 16 divisors (see below), whose sum is σ = 31961952. Its totient is φ = 10341760.

The previous prime is 20994319. The next prime is 20994343. The reversal of 20994322 is 22349902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59298 + ... + 59650.

It is an arithmetic number, because the mean of its divisors is an integer number (1997622).

Almost surely, 2^20994322 is an apocalyptic number.

20994322 is a deficient number, since it is larger than the sum of its proper divisors (10967630).

20994322 is a wasteful number, since it uses less digits than its factorization.

20994322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 20994322 is about 4581.9561324832. The cubic root of 20994322 is about 275.8675500452.

It can be divided in two parts, 20994 and 322, that added together give a square (21316 = 146²).

The spelling of 20994322 in words is "twenty million, nine hundred ninety-four thousand, three hundred twenty-two".