20324122032340 has 72 divisors (see below), whose sum is σ = 50329049139432. Its totient is φ = 6872814627840.

The previous prime is 20324122032299. The next prime is 20324122032349. The reversal of 20324122032340 is 4323022142302.

It can be written as a sum of positive squares in 4 ways, for example, as 4164268747716 + 16159853284624 = 2040654^2 + 4019932^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 20324122032299 and 20324122032308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20324122032349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141975721 + ... + 142118800.

It is an arithmetic number, because the mean of its divisors is an integer number (699014571381).

Almost surely, 2^{20324122032340} is an apocalyptic number.

20324122032340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20324122032340 is an abundant number, since it is smaller than the sum of its proper divisors (30004927107092).

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

20324122032340 is a wasteful number, since it uses less digits than its factorization.

20324122032340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284094617 (or 284094608 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20324122032340 its reverse (4323022142302), we get a palindrome (24647144174642).

The spelling of 20324122032340 in words is "twenty trillion, three hundred twenty-four billion, one hundred twenty-two million, thirty-two thousand, three hundred forty".