20110010002020 has 120 divisors (see below), whose sum is σ = 63088175897208. Its totient is φ = 5362471296000.

The previous prime is 20110010002013. The next prime is 20110010002051. The reversal of 20110010002020 is 2020001001102.

It can be written as a sum of positive squares in 4 ways, for example, as 4834044233316 + 15275965768704 = 2198646^2 + 3908448^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20110010001993 and 20110010002011.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 46604860 + ... + 47034380.

Almost surely, 2^{20110010002020} is an apocalyptic number.

20110010002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110010002020 is an abundant number, since it is smaller than the sum of its proper divisors (42978165895188).

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

20110010002020 is a wasteful number, since it uses less digits than its factorization.

20110010002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458443 (or 458432 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20110010002020 its reverse (2020001001102), we get a palindrome (22130011003122).

The spelling of 20110010002020 in words is "twenty trillion, one hundred ten billion, ten million, two thousand, twenty".