20022042402424 has 32 divisors (see below), whose sum is σ = 38890633968000. Its totient is φ = 9652180470912.

The previous prime is 20022042402367. The next prime is 20022042402437. The reversal of 20022042402424 is 42420424022002.

It is a super-2 number, since 2×20022042402424² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20022042402392 and 20022042402401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60697224 + ... + 61026199.

It is an arithmetic number, because the mean of its divisors is an integer number (1215332311500).

Almost surely, 2^{20022042402424} is an apocalyptic number.

It is an amenable number.

20022042402424 is a deficient number, since it is larger than the sum of its proper divisors (18868591565576).

20022042402424 is a wasteful number, since it uses less digits than its factorization.

20022042402424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121724167 (or 121724163 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20022042402424 its reverse (42420424022002), we get a palindrome (62442466424426).

The spelling of 20022042402424 in words is "twenty trillion, twenty-two billion, forty-two million, four hundred two thousand, four hundred twenty-four".