20422662 has 32 divisors (see below), whose sum is σ = 44416512. Its totient is φ = 6222624.

The previous prime is 20422657. The next prime is 20422669. The reversal of 20422662 is 26622402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422669) 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, 7123 + ... + 9569.

It is an arithmetic number, because the mean of its divisors is an integer number (1388016).

Almost surely, 2^20422662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20422662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22208256).

20422662 is an abundant number, since it is smaller than the sum of its proper divisors (23993850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20422662 is a wasteful number, since it uses less digits than its factorization.

20422662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20422662 is about 4519.1439454835. The cubic root of 20422662 is about 273.3405831245.

The spelling of 20422662 in words is "twenty million, four hundred twenty-two thousand, six hundred sixty-two".