102020210022010 has 48 divisors (see below), whose sum is σ = 213638599840680. Its totient is φ = 34974956405760.

The previous prime is 102020210022001. The next prime is 102020210022041. The reversal of 102020210022010 is 10220012020201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 79295053419729 + 22725156602281 = 8904777^2 + 4767091^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5076211 + ... + 15159430.

Almost surely, 2^{102020210022010} is an apocalyptic number.

102020210022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020210022010 is an abundant number, since it is smaller than the sum of its proper divisors (111618389818670).

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

102020210022010 is a wasteful number, since it uses less digits than its factorization.

102020210022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20245951 (or 20245944 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102020210022010 its reverse (10220012020201), we get a palindrome (112240222042211).

The spelling of 102020210022010 in words is "one hundred two trillion, twenty billion, two hundred ten million, twenty-two thousand, ten".