1055020000 has 240 divisors, whose sum is σ = 2869518960. Its totient is φ = 379904000.

The previous prime is 1055019947. The next prime is 1055020033. The reversal of 1055020000 is 205501.

It is a super-2 number, since 2×1055020000² = 2226134400800000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9859947 + ... + 9860053.

It is an arithmetic number, because the mean of its divisors is an integer number (11956329).

Almost surely, 2^1055020000 is an apocalyptic number.

1055020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434759480).

1055020000 is an abundant number, since it is smaller than the sum of its proper divisors (1814498960).

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

1055020000 is a wasteful number, since it uses less digits than its factorization.

1055020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 1055020000 is about 32481.0714109002. The cubic root of 1055020000 is about 1018.0135631450.

Adding to 1055020000 its reverse (205501), we get a palindrome (1055225501).

The spelling of 1055020000 in words is "one billion, fifty-five million, twenty thousand".