20410200042 has 32 divisors (see below), whose sum is σ = 41633543808. Its totient is φ = 6668141376.

The previous prime is 20410199963. The next prime is 20410200047. The reversal of 20410200042 is 24000201402.

It is a junction number, because it is equal to n+sod(n) for n = 20410199994 and 20410200030.

It is not an unprimeable number, because it can be changed into a prime (20410200047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279948 + ... + 345240.

It is an arithmetic number, because the mean of its divisors is an integer number (1301048244).

Almost surely, 2^20410200042 is an apocalyptic number.

20410200042 is an abundant number, since it is smaller than the sum of its proper divisors (21223343766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20410200042 is a wasteful number, since it uses less digits than its factorization.

20410200042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66334.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20410200042 its reverse (24000201402), we get a palindrome (44410401444).

The spelling of 20410200042 in words is "twenty billion, four hundred ten million, two hundred thousand, forty-two".