1051025020 has 24 divisors (see below), whose sum is σ = 2303116704. Its totient is φ = 402131136.

The previous prime is 1051025011. The next prime is 1051025029. The reversal of 1051025020 is 205201501.

It is an interprime number because it is at equal distance from previous prime (1051025011) and next prime (1051025029).

It is a super-2 number, since 2×1051025020² = 2209307185332000800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051024985 and 1051025003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051025029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141959 + ... + 1142878.

It is an arithmetic number, because the mean of its divisors is an integer number (95963196).

Almost surely, 2^1051025020 is an apocalyptic number.

1051025020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051025020 is an abundant number, since it is smaller than the sum of its proper divisors (1252091684).

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

1051025020 is a wasteful number, since it uses less digits than its factorization.

1051025020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284869 (or 2284867 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1051025020 is about 32419.5160358695. The cubic root of 1051025020 is about 1016.7269878510.

Adding to 1051025020 its reverse (205201501), we get a palindrome (1256226521).

The spelling of 1051025020 in words is "one billion, fifty-one million, twenty-five thousand, twenty".