20450541340244 has 24 divisors (see below), whose sum is σ = 35795170887840. Its totient is φ = 10223349884384.

The previous prime is 20450541340241. The next prime is 20450541340247. The reversal of 20450541340244 is 44204314505402.

It is an interprime number because it is at equal distance from previous prime (20450541340241) and next prime (20450541340247).

It is a super-2 number, since 2×20450541340244² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20450541340198 and 20450541340207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20450541340241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663898547 + ... + 663929349.

It is an arithmetic number, because the mean of its divisors is an integer number (1491465453660).

Almost surely, 2^{20450541340244} is an apocalyptic number.

It is an amenable number.

20450541340244 is a deficient number, since it is larger than the sum of its proper divisors (15344629547596).

20450541340244 is a wasteful number, since it uses less digits than its factorization.

20450541340244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56599 (or 56597 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 20450541340244 its reverse (44204314505402), we get a palindrome (64654855845646).

The spelling of 20450541340244 in words is "twenty trillion, four hundred fifty billion, five hundred forty-one million, three hundred forty thousand, two hundred forty-four".