2134105020 has 36 divisors (see below), whose sum is σ = 6473452440. Its totient is φ = 569094624.

The previous prime is 2134105019. The next prime is 2134105021. The reversal of 2134105020 is 205014312.

It is an interprime number because it is at equal distance from previous prime (2134105019) and next prime (2134105021).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2134104984 and 2134105002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134105021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5927890 + ... + 5928249.

Almost surely, 2^2134105020 is an apocalyptic number.

2134105020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134105020 is an abundant number, since it is smaller than the sum of its proper divisors (4339347420).

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

2134105020 is a wasteful number, since it uses less digits than its factorization.

2134105020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11856154 (or 11856149 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2134105020 is about 46196.3745330735. The cubic root of 2134105020 is about 1287.4743806132.

Adding to 2134105020 its reverse (205014312), we get a palindrome (2339119332).

The spelling of 2134105020 in words is "two billion, one hundred thirty-four million, one hundred five thousand, twenty".