102432020042 has 8 divisors (see below), whose sum is σ = 167616032832. Its totient is φ = 46560009100.

The previous prime is 102432020017. The next prime is 102432020077. The reversal of 102432020042 is 240020234201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102432019996 and 102432020023.

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, 2328000434 + ... + 2328000477.

It is an arithmetic number, because the mean of its divisors is an integer number (20952004104).

Almost surely, 2^102432020042 is an apocalyptic number.

102432020042 is a deficient number, since it is larger than the sum of its proper divisors (65184012790).

102432020042 is a wasteful number, since it uses less digits than its factorization.

102432020042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656000924.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 102432020042 its reverse (240020234201), we get a palindrome (342452254243).

The spelling of 102432020042 in words is "one hundred two billion, four hundred thirty-two million, twenty thousand, forty-two".