1020422130 has 128 divisors (see below), whose sum is σ = 3118348800. Its totient is φ = 207857664.

The previous prime is 1020422111. The next prime is 1020422131. The reversal of 1020422130 is 312240201.

It is a super-2 number, since 2×1020422130² = 2082522646787473800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1020422131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72726 + ... + 85614.

It is an arithmetic number, because the mean of its divisors is an integer number (24362100).

Almost surely, 2^1020422130 is an apocalyptic number.

1020422130 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 1020422130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559174400).

1020422130 is an abundant number, since it is smaller than the sum of its proper divisors (2097926670).

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

1020422130 is a wasteful number, since it uses less digits than its factorization.

1020422130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12948.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1020422130 is about 31944.0468632263. The cubic root of 1020422130 is about 1006.7615549977.

Adding to 1020422130 its reverse (312240201), we get a palindrome (1332662331).

The spelling of 1020422130 in words is "one billion, twenty million, four hundred twenty-two thousand, one hundred thirty".