201620101024 has 48 divisors (see below), whose sum is σ = 401137780680. Its totient is φ = 99745177600.

The previous prime is 201620101021. The next prime is 201620101049. The reversal of 201620101024 is 420101026102.

It can be written as a sum of positive squares in 4 ways, for example, as 201618960400 + 1140624 = 449020^2 + 1068^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201620100992 and 201620101010.

It is not an unprimeable number, because it can be changed into a prime (201620101021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4999212 + ... + 5039380.

Almost surely, 2^201620101024 is an apocalyptic number.

It is an amenable number.

201620101024 is a deficient number, since it is larger than the sum of its proper divisors (199517679656).

201620101024 is a wasteful number, since it uses less digits than its factorization.

201620101024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41833 (or 41825 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201620101024 its reverse (420101026102), we get a palindrome (621721127126).

The spelling of 201620101024 in words is "two hundred one billion, six hundred twenty million, one hundred one thousand, twenty-four".