20110000042 has 8 divisors (see below), whose sum is σ = 32907272832. Its totient is φ = 9140909100.

The previous prime is 20110000003. The next prime is 20110000061. The reversal of 20110000042 is 24000001102.

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 = 20109999983 and 20110000028.

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, 457045434 + ... + 457045477.

It is an arithmetic number, because the mean of its divisors is an integer number (4113409104).

Almost surely, 2^20110000042 is an apocalyptic number.

20110000042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20110000042 is a deficient number, since it is larger than the sum of its proper divisors (12797272790).

20110000042 is a wasteful number, since it uses less digits than its factorization.

20110000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914090924.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20110000042 its reverse (24000001102), we get a palindrome (44110001144).

The spelling of 20110000042 in words is "twenty billion, one hundred ten million, forty-two", and thus it is an aban number.