20622468 has 24 divisors (see below), whose sum is σ = 49420672. Its totient is φ = 6688224.

The previous prime is 20622463. The next prime is 20622487. The reversal of 20622468 is 86422602.

It is a super-2 number, since 2×20622468² = 850572372822048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20622463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22780 + ... + 23667.

Almost surely, 2^20622468 is an apocalyptic number.

It is an amenable number.

20622468 is an abundant number, since it is smaller than the sum of its proper divisors (28798204).

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

20622468 is a wasteful number, since it uses less digits than its factorization.

20622468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46491 (or 46489 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 20622468 is about 4541.1967585649. The cubic root of 20622468 is about 274.2291049158.

The spelling of 20622468 in words is "twenty million, six hundred twenty-two thousand, four hundred sixty-eight".