20202100112 has 20 divisors (see below), whose sum is σ = 39500669340. Its totient is φ = 10008379008.

The previous prime is 20202100103. The next prime is 20202100133. The reversal of 20202100112 is 21100120202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18339659776 + 1862440336 = 135424^2 + 43156^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20202100093 and 20202100102.

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, 5790143 + ... + 5793630.

It is an arithmetic number, because the mean of its divisors is an integer number (1975033467).

Almost surely, 2^20202100112 is an apocalyptic number.

It is an amenable number.

20202100112 is a deficient number, since it is larger than the sum of its proper divisors (19298569228).

20202100112 is a wasteful number, since it uses less digits than its factorization.

20202100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11583890 (or 11583884 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20202100112 its reverse (21100120202), we get a palindrome (41302220314).

The spelling of 20202100112 in words is "twenty billion, two hundred two million, one hundred thousand, one hundred twelve".