20322060 has 96 divisors (see below), whose sum is σ = 63673344. Its totient is φ = 4800000.

The previous prime is 20322053. The next prime is 20322061. The reversal of 20322060 is 6022302.

20322060 = T₄₅ + T₄₆ + ... + T₄₉₅.

It is a super-2 number, since 2×20322060² = 825972245287200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20322061) 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 31 ways as a sum of consecutive naturals, for example, 26685 + ... + 27435.

It is an arithmetic number, because the mean of its divisors is an integer number (663264).

Almost surely, 2^20322060 is an apocalyptic number.

20322060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20322060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31836672).

20322060 is an abundant number, since it is smaller than the sum of its proper divisors (43351284).

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

20322060 is a wasteful number, since it uses less digits than its factorization.

20322060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20322060 is about 4507.9995563443. Note that the first 3 decimals coincide. The cubic root of 20322060 is about 272.8910190403.

Adding to 20322060 its reverse (6022302), we get a palindrome (26344362).

The spelling of 20322060 in words is "twenty million, three hundred twenty-two thousand, sixty".