2100419670420 has 72 divisors (see below), whose sum is σ = 6746053774824. Its totient is φ = 527164151808.

The previous prime is 2100419670383. The next prime is 2100419670421. The reversal of 2100419670420 is 240769140012.

It is a happy number.

2100419670420 is a `hidden beast` number, since 2 + 100 + 41 + 96 + 7 + 0 + 420 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 754531975044 + 1345887695376 = 868638^2 + 1160124^2 .

It is a super-2 number, since 2×2100419670420² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100419670421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343202769 + ... + 343208888.

It is an arithmetic number, because the mean of its divisors is an integer number (93695191317).

Almost surely, 2^{2100419670420} is an apocalyptic number.

2100419670420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100419670420 is an abundant number, since it is smaller than the sum of its proper divisors (4645634104404).

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

2100419670420 is a wasteful number, since it uses less digits than its factorization.

2100419670420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686411689 (or 686411684 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 2100419670420 in words is "two trillion, one hundred billion, four hundred nineteen million, six hundred seventy thousand, four hundred twenty".