20200101020 has 48 divisors (see below), whose sum is σ = 46291392000. Its totient is φ = 7343142720.

The previous prime is 20200101011. The next prime is 20200101059. The reversal of 20200101020 is 2010100202.

It is a junction number, because it is equal to n+sod(n) for n = 20200100989 and 20200101007.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 770081 + ... + 795879.

It is an arithmetic number, because the mean of its divisors is an integer number (964404000).

Almost surely, 2^20200101020 is an apocalyptic number.

20200101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200101020 is an abundant number, since it is smaller than the sum of its proper divisors (26091290980).

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

20200101020 is a wasteful number, since it uses less digits than its factorization.

20200101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29378 (or 29376 counting only the distinct ones).

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

Adding to 20200101020 its reverse (2010100202), we get a palindrome (22210201222).

The spelling of 20200101020 in words is "twenty billion, two hundred million, one hundred one thousand, twenty".