20102020310032 has 20 divisors (see below), whose sum is σ = 38947820988076. Its totient is φ = 10050969732480.

The previous prime is 20102020309957. The next prime is 20102020310111. The reversal of 20102020310032 is 23001302020102.

It can be written as a sum of positive squares in 2 ways, for example, as 13710609350656 + 6391410959376 = 3702784^2 + 2528124^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20102020309988 and 20102020310015.

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, 1800898 + ... + 6591454.

Almost surely, 2^{20102020310032} is an apocalyptic number.

It is an amenable number.

20102020310032 is a deficient number, since it is larger than the sum of its proper divisors (18845800678044).

20102020310032 is a wasteful number, since it uses less digits than its factorization.

20102020310032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052826 (or 5052820 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20102020310032 its reverse (23001302020102), we get a palindrome (43103322330134).

The spelling of 20102020310032 in words is "twenty trillion, one hundred two billion, twenty million, three hundred ten thousand, thirty-two".