2051025320 has 16 divisors (see below), whose sum is σ = 4614807060. Its totient is φ = 820410112.

The previous prime is 2051025313. The next prime is 2051025341. The reversal of 2051025320 is 235201502.

It can be written as a sum of positive squares in 2 ways, for example, as 1899390724 + 151634596 = 43582^2 + 12314^2 .

It is a super-2 number, since 2×2051025320² = 8413409726562204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2051025292 and 2051025301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25637777 + ... + 25637856.

Almost surely, 2^2051025320 is an apocalyptic number.

2051025320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051025320 is an abundant number, since it is smaller than the sum of its proper divisors (2563781740).

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

2051025320 is a wasteful number, since it uses less digits than its factorization.

2051025320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51275644 (or 51275640 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2051025320 is about 45288.2470404850. The cubic root of 2051025320 is about 1270.5458459207.

Adding to 2051025320 its reverse (235201502), we get a palindrome (2286226822).

The spelling of 2051025320 in words is "two billion, fifty-one million, twenty-five thousand, three hundred twenty".