20385622 has 8 divisors (see below), whose sum is σ = 30687336. Its totient is φ = 10156512.

The previous prime is 20385619. The next prime is 20385641. The reversal of 20385622 is 22658302.

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

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, 17443 + ... + 18574.

It is an arithmetic number, because the mean of its divisors is an integer number (3835917).

Almost surely, 2^20385622 is an apocalyptic number.

20385622 is a deficient number, since it is larger than the sum of its proper divisors (10301714).

20385622 is a wasteful number, since it uses less digits than its factorization.

20385622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36302.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20385622 is about 4515.0439643485. The cubic root of 20385622 is about 273.1752331123.

The spelling of 20385622 in words is "twenty million, three hundred eighty-five thousand, six hundred twenty-two".