20222424244040 has 16 divisors (see below), whose sum is σ = 45500454549180. Its totient is φ = 8088969697600.

The previous prime is 20222424244007. The next prime is 20222424244079. The reversal of 20222424244040 is 4044242422202.

It can be written as a sum of positive squares in 2 ways, for example, as 19335561317284 + 886862926756 = 4397222^2 + 941734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20222424243988 and 20222424244006.

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, 252780303011 + ... + 252780303090.

Almost surely, 2^{20222424244040} is an apocalyptic number.

20222424244040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222424244040 is an abundant number, since it is smaller than the sum of its proper divisors (25278030305140).

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

20222424244040 is a wasteful number, since it uses less digits than its factorization.

20222424244040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505560606112 (or 505560606108 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 20222424244040 its reverse (4044242422202), we get a palindrome (24266666666242).

The spelling of 20222424244040 in words is "twenty trillion, two hundred twenty-two billion, four hundred twenty-four million, two hundred forty-four thousand, forty".