1020272250 has 64 divisors (see below), whose sum is σ = 2589874560. Its totient is φ = 267449600.

The previous prime is 1020272243. The next prime is 1020272261. The reversal of 1020272250 is 522720201.

It is a happy number.

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, 32722 + ... + 55778.

It is an arithmetic number, because the mean of its divisors is an integer number (40466790).

Almost surely, 2^1020272250 is an apocalyptic number.

1020272250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020272250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1294937280).

1020272250 is an abundant number, since it is smaller than the sum of its proper divisors (1569602310).

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

1020272250 is a wasteful number, since it uses less digits than its factorization.

1020272250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23136 (or 23126 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1020272250 is about 31941.7008000513. The cubic root of 1020272250 is about 1006.7122614077.

Adding to 1020272250 its reverse (522720201), we get a palindrome (1542992451).

The spelling of 1020272250 in words is "one billion, twenty million, two hundred seventy-two thousand, two hundred fifty".