1620293130 has 48 divisors (see below), whose sum is σ = 4272113664. Its totient is φ = 425990880.

The previous prime is 1620293117. The next prime is 1620293161. The reversal of 1620293130 is 313920261.

1620293130 is a `hidden beast` number, since 1 + 620 + 2 + 9 + 3 + 1 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1620293094 and 1620293103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120394 + ... + 133173.

It is an arithmetic number, because the mean of its divisors is an integer number (89002368).

Almost surely, 2^1620293130 is an apocalyptic number.

1620293130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1620293130 is an abundant number, since it is smaller than the sum of its proper divisors (2651820534).

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

1620293130 is a wasteful number, since it uses less digits than its factorization.

1620293130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253651 (or 253648 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1620293130 is about 40252.8648669880. The cubic root of 1620293130 is about 1174.5311254336.

The spelling of 1620293130 in words is "one billion, six hundred twenty million, two hundred ninety-three thousand, one hundred thirty".