101000202020 has 12 divisors (see below), whose sum is σ = 212100424284. Its totient is φ = 40400080800.

The previous prime is 101000202007. The next prime is 101000202049. The reversal of 101000202020 is 20202000101.

It can be written as a sum of positive squares in 2 ways, for example, as 52698711844 + 48301490176 = 229562^2 + 219776^2 .

101000202020 is a modest number, since divided by 202020 gives 101000 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 101000201989 and 101000202007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525005031 + ... + 2525005070.

It is an arithmetic number, because the mean of its divisors is an integer number (17675035357).

Almost surely, 2^101000202020 is an apocalyptic number.

101000202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101000202020 is an abundant number, since it is smaller than the sum of its proper divisors (111100222264).

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

101000202020 is a wasteful number, since it uses less digits than its factorization.

101000202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050010110 (or 5050010108 counting only the distinct ones).

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

Adding to 101000202020 its reverse (20202000101), we get a palindrome (121202202121).

The spelling of 101000202020 in words is "one hundred one billion, two hundred two thousand, twenty".