20344522 has 8 divisors (see below), whose sum is σ = 33291072. Its totient is φ = 9247500.

The previous prime is 20344517. The next prime is 20344549. The reversal of 20344522 is 22544302.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 924751 = 20344522 / (2 + 0 + 3 + 4 + 4 + 5 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20344493 and 20344502.

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, 462354 + ... + 462397.

It is an arithmetic number, because the mean of its divisors is an integer number (4161384).

Almost surely, 2^20344522 is an apocalyptic number.

20344522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20344522 is a deficient number, since it is larger than the sum of its proper divisors (12946550).

20344522 is a wasteful number, since it uses less digits than its factorization.

20344522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924764.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 20344522 is about 4510.4902172602. The cubic root of 20344522 is about 272.9915242888.

Adding to 20344522 its reverse (22544302), we get a palindrome (42888824).

It can be divided in two parts, 2034 and 4522, that added together give a palindrome (6556).

The spelling of 20344522 in words is "twenty million, three hundred forty-four thousand, five hundred twenty-two".