20110475342 has 4 divisors (see below), whose sum is σ = 30165713016. Its totient is φ = 10055237670.

The previous prime is 20110475327. The next prime is 20110475347. The reversal of 20110475342 is 24357401102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24357401102 = 2 ⋅12178700551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110475347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027618834 + ... + 5027618837.

It is an arithmetic number, because the mean of its divisors is an integer number (7541428254).

Almost surely, 2^20110475342 is an apocalyptic number.

20110475342 is a deficient number, since it is larger than the sum of its proper divisors (10055237674).

20110475342 is a wasteful number, since it uses less digits than its factorization.

20110475342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055237673.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 20110475342 its reverse (24357401102), we get a palindrome (44467876444).

The spelling of 20110475342 in words is "twenty billion, one hundred ten million, four hundred seventy-five thousand, three hundred forty-two".