20622430 has 8 divisors (see below), whose sum is σ = 37120392. Its totient is φ = 8248968.

The previous prime is 20622419. The next prime is 20622439. The reversal of 20622430 is 3422602.

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

It is a junction number, because it is equal to n+sod(n) for n = 20622398 and 20622407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20622439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031112 + ... + 1031131.

It is an arithmetic number, because the mean of its divisors is an integer number (4640049).

Almost surely, 2^20622430 is an apocalyptic number.

20622430 is a deficient number, since it is larger than the sum of its proper divisors (16497962).

20622430 is a wasteful number, since it uses less digits than its factorization.

20622430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062250.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20622430 is about 4541.1925746438. The cubic root of 20622430 is about 274.2289364795.

The spelling of 20622430 in words is "twenty million, six hundred twenty-two thousand, four hundred thirty".