2020001111100 has 108 divisors (see below), whose sum is σ = 7236092891664. Its totient is φ = 461714538240.

The previous prime is 2020001111087. The next prime is 2020001111111. The reversal of 2020001111100 is 11111000202.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 160311249 + ... + 160323848.

It is an arithmetic number, because the mean of its divisors is an integer number (67000860108).

Almost surely, 2^{2020001111100} is an apocalyptic number.

2020001111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020001111100 is an abundant number, since it is smaller than the sum of its proper divisors (5216091780564).

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

2020001111100 is a wasteful number, since it uses less digits than its factorization.

2020001111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320635124 (or 320635114 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2020001111100 its reverse (11111000202), we get a palindrome (2031112111302).

The spelling of 2020001111100 in words is "two trillion, twenty billion, one million, one hundred eleven thousand, one hundred".