1011233020 has 96 divisors (see below), whose sum is σ = 2566803456. Its totient is φ = 327283200.

The previous prime is 1011232997. The next prime is 1011233023. The reversal of 1011233020 is 203321101.

1011233020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011233023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175099 + ... + 180781.

It is an arithmetic number, because the mean of its divisors is an integer number (26737536).

Almost surely, 2^1011233020 is an apocalyptic number.

1011233020 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 1011233020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1283401728).

1011233020 is an abundant number, since it is smaller than the sum of its proper divisors (1555570436).

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

1011233020 is a wasteful number, since it uses less digits than its factorization.

1011233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771 (or 5769 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1011233020 is about 31799.8902513829. The cubic root of 1011233020 is about 1003.7304067614.

Adding to 1011233020 its reverse (203321101), we get a palindrome (1214554121).

The spelling of 1011233020 in words is "one billion, eleven million, two hundred thirty-three thousand, twenty".