10012020102 has 48 divisors (see below), whose sum is σ = 24803449632. Its totient is φ = 2859217920.

The previous prime is 10012020101. The next prime is 10012020107. The reversal of 10012020102 is 20102021001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012020101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264102 + ... + 299622.

It is an arithmetic number, because the mean of its divisors is an integer number (516738534).

Almost surely, 2^10012020102 is an apocalyptic number.

10012020102 is an abundant number, since it is smaller than the sum of its proper divisors (14791429530).

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

10012020102 is a wasteful number, since it uses less digits than its factorization.

10012020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37773 (or 37770 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10012020102 its reverse (20102021001), we get a palindrome (30114041103).

The spelling of 10012020102 in words is "ten billion, twelve million, twenty thousand, one hundred two".