20200211020 has 24 divisors (see below), whose sum is σ = 46276847568. Its totient is φ = 7345531200.

The previous prime is 20200210973. The next prime is 20200211027. The reversal of 20200211020 is 2011200202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20200210988 and 20200211006.

It is not an unprimeable number, because it can be changed into a prime (20200211027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45909351 + ... + 45909790.

It is an arithmetic number, because the mean of its divisors is an integer number (1928201982).

Almost surely, 2^20200211020 is an apocalyptic number.

20200211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200211020 is an abundant number, since it is smaller than the sum of its proper divisors (26076636548).

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

20200211020 is a wasteful number, since it uses less digits than its factorization.

20200211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91819161 (or 91819159 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20200211020 its reverse (2011200202), we get a palindrome (22211411222).

The spelling of 20200211020 in words is "twenty billion, two hundred million, two hundred eleven thousand, twenty".