340020102220420 has 24 divisors (see below), whose sum is σ = 715122460098648. Its totient is φ = 135802279852800.

The previous prime is 340020102220387. The next prime is 340020102220429. The reversal of 340020102220420 is 24022201020043.

It can be written as a sum of positive squares in 4 ways, for example, as 122400014410116 + 217620087810304 = 11063454^2 + 14751952^2 .

It is a super-2 number, since 2×340020102220420² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340020102220391 and 340020102220400.

It is not an unprimeable number, because it can be changed into a prime (340020102220429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12860051161 + ... + 12860077600.

It is an arithmetic number, because the mean of its divisors is an integer number (29796769170777).

Almost surely, 2^{340020102220420} is an apocalyptic number.

It is an amenable number.

340020102220420 is an abundant number, since it is smaller than the sum of its proper divisors (375102357878228).

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

340020102220420 is a wasteful number, since it uses less digits than its factorization.

340020102220420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25720129431 (or 25720129429 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 340020102220420 its reverse (24022201020043), we get a palindrome (364042303240463).

The spelling of 340020102220420 in words is "three hundred forty trillion, twenty billion, one hundred two million, two hundred twenty thousand, four hundred twenty".