2105460154020 has 96 divisors (see below), whose sum is σ = 5916000706560. Its totient is φ = 559486829440.

The previous prime is 2105460154009. The next prime is 2105460154027. The reversal of 2105460154020 is 204510645012.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2105460154027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20068861 + ... + 20173499.

It is an arithmetic number, because the mean of its divisors is an integer number (61625007360).

Almost surely, 2^{2105460154020} is an apocalyptic number.

2105460154020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105460154020 is an abundant number, since it is smaller than the sum of its proper divisors (3810540552540).

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

2105460154020 is a wasteful number, since it uses less digits than its factorization.

2105460154020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105825 (or 105823 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 2105460154020 its reverse (204510645012), we get a palindrome (2309970799032).

The spelling of 2105460154020 in words is "two trillion, one hundred five billion, four hundred sixty million, one hundred fifty-four thousand, twenty".