42102020024 has 16 divisors (see below), whose sum is σ = 79639884720. Its totient is φ = 20864717440.

The previous prime is 42102020011. The next prime is 42102020033. The reversal of 42102020024 is 42002020124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42102019984 and 42102020011.

It is a congruent number.

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, 23285612 + ... + 23287419.

It is an arithmetic number, because the mean of its divisors is an integer number (4977492795).

Almost surely, 2^42102020024 is an apocalyptic number.

It is an amenable number.

42102020024 is a deficient number, since it is larger than the sum of its proper divisors (37537864696).

42102020024 is a wasteful number, since it uses less digits than its factorization.

42102020024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46573150 (or 46573146 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 42102020024 its reverse (42002020124), we get a palindrome (84104040148).

The spelling of 42102020024 in words is "forty-two billion, one hundred two million, twenty thousand, twenty-four".