1011210020 has 24 divisors (see below), whose sum is σ = 2235307200. Its totient is φ = 383195232.

The previous prime is 1011209971. The next prime is 1011210023. The reversal of 1011210020 is 200121101.

1011210020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1011210023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330160 + ... + 1330919.

It is an arithmetic number, because the mean of its divisors is an integer number (93137800).

Almost surely, 2^1011210020 is an apocalyptic number.

1011210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011210020 is an abundant number, since it is smaller than the sum of its proper divisors (1224097180).

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

1011210020 is a wasteful number, since it uses less digits than its factorization.

1011210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661107 (or 2661105 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1011210020 is about 31799.5286128584. The cubic root of 1011210020 is about 1003.7227969181.

Adding to 1011210020 its reverse (200121101), we get a palindrome (1211331121).

It can be divided in two parts, 101 and 1210020, that added together give a palindrome (1210121).

The spelling of 1011210020 in words is "one billion, eleven million, two hundred ten thousand, twenty".