1020250224520 has 16 divisors (see below), whose sum is σ = 2295563005260. Its totient is φ = 408100089792.

The previous prime is 1020250224473. The next prime is 1020250224559. The reversal of 1020250224520 is 254220520201.

It can be written as a sum of positive squares in 2 ways, for example, as 861076355364 + 159173869156 = 927942^2 + 398966^2 .

It is a super-2 number, since 2×1020250224520² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12753127767 + ... + 12753127846.

Almost surely, 2^{1020250224520} is an apocalyptic number.

1020250224520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020250224520 is an abundant number, since it is smaller than the sum of its proper divisors (1275312780740).

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

1020250224520 is a wasteful number, since it uses less digits than its factorization.

1020250224520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25506255624 (or 25506255620 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 1020250224520 its reverse (254220520201), we get a palindrome (1274470744721).

The spelling of 1020250224520 in words is "one trillion, twenty billion, two hundred fifty million, two hundred twenty-four thousand, five hundred twenty".