20242402224240 has 80 divisors (see below), whose sum is σ = 71715939314688. Its totient is φ = 4626834793728.

The previous prime is 20242402224137. The next prime is 20242402224277. The reversal of 20242402224240 is 4242220424202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 20242402224198 and 20242402224207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6024522792 + ... + 6024526151.

Almost surely, 2^{20242402224240} is an apocalyptic number.

20242402224240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20242402224240 is an abundant number, since it is smaller than the sum of its proper divisors (51473537090448).

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

20242402224240 is a wasteful number, since it uses less digits than its factorization.

20242402224240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12049048966 (or 12049048960 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 20242402224240 its reverse (4242220424202), we get a palindrome (24484622648442).

The spelling of 20242402224240 in words is "twenty trillion, two hundred forty-two billion, four hundred two million, two hundred twenty-four thousand, two hundred forty".