2065231620 has 48 divisors (see below), whose sum is σ = 6425166720. Its totient is φ = 550728288.

The previous prime is 2065231613. The next prime is 2065231631. The reversal of 2065231620 is 261325602.

2065231620 is a `hidden beast` number, since 2 + 0 + 6 + 5 + 2 + 31 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911712 + ... + 1912791.

It is an arithmetic number, because the mean of its divisors is an integer number (133857640).

Almost surely, 2^2065231620 is an apocalyptic number.

2065231620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065231620 is an abundant number, since it is smaller than the sum of its proper divisors (4359935100).

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

2065231620 is a wasteful number, since it uses less digits than its factorization.

2065231620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824521 (or 3824513 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2065231620 is about 45444.8195067381. The cubic root of 2065231620 is about 1273.4725514720.

The spelling of 2065231620 in words is "two billion, sixty-five million, two hundred thirty-one thousand, six hundred twenty".