102020130 has 48 divisors (see below), whose sum is σ = 267044544. Its totient is φ = 27021600.

The previous prime is 102020119. The next prime is 102020143. The reversal of 102020130 is 31020201.

It is a happy number.

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

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, 9837 + ... + 17343.

It is an arithmetic number, because the mean of its divisors is an integer number (5563428).

Almost surely, 2^102020130 is an apocalyptic number.

102020130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102020130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133522272).

102020130 is an abundant number, since it is smaller than the sum of its proper divisors (165024414).

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

102020130 is a wasteful number, since it uses less digits than its factorization.

102020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671 (or 7668 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 102020130 is about 10100.5014726993. The cubic root of 102020130 is about 467.2636074077.

Adding to 102020130 its reverse (31020201), we get a palindrome (133040331).

The spelling of 102020130 in words is "one hundred two million, twenty thousand, one hundred thirty".