1150722020 has 48 divisors (see below), whose sum is σ = 2773975680. Its totient is φ = 392784384.

The previous prime is 1150722007. The next prime is 1150722037. The reversal of 1150722020 is 202270511.

It is a super-2 number, since 2×1150722020² = 2648322334625760800, 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 = 1150721983 and 1150722001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13676 + ... + 49884.

It is an arithmetic number, because the mean of its divisors is an integer number (57791160).

Almost surely, 2^1150722020 is an apocalyptic number.

1150722020 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 1150722020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386987840).

1150722020 is an abundant number, since it is smaller than the sum of its proper divisors (1623253660).

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

1150722020 is a wasteful number, since it uses less digits than its factorization.

1150722020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36452 (or 36450 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1150722020 is about 33922.2938493257. The cubic root of 1150722020 is about 1047.9087689847.

Adding to 1150722020 its reverse (202270511), we get a palindrome (1352992531).

The spelling of 1150722020 in words is "one billion, one hundred fifty million, seven hundred twenty-two thousand, twenty".