1020655130 has 64 divisors (see below), whose sum is σ = 2097964800. Its totient is φ = 353886720.

The previous prime is 1020655123. The next prime is 1020655147. The reversal of 1020655130 is 315560201.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1020655096 and 1020655105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1439216 + ... + 1439924.

It is an arithmetic number, because the mean of its divisors is an integer number (32780700).

Almost surely, 2^1020655130 is an apocalyptic number.

1020655130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020655130 is an abundant number, since it is smaller than the sum of its proper divisors (1077309670).

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

1020655130 is a wasteful number, since it uses less digits than its factorization.

1020655130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1020655130 is about 31947.6936569762. The cubic root of 1020655130 is about 1006.8381760952.

The spelling of 1020655130 in words is "one billion, twenty million, six hundred fifty-five thousand, one hundred thirty".