34340220020 has 24 divisors (see below), whose sum is σ = 72546292224. Its totient is φ = 13653834656.

The previous prime is 34340220017. The next prime is 34340220043. The reversal of 34340220020 is 2002204343.

It is a super-2 number, since 2×34340220020² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 34340219974 and 34340220001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5137412 + ... + 5144091.

It is an arithmetic number, because the mean of its divisors is an integer number (3022762176).

Almost surely, 2^34340220020 is an apocalyptic number.

It is an amenable number.

34340220020 is an abundant number, since it is smaller than the sum of its proper divisors (38206072204).

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

34340220020 is a wasteful number, since it uses less digits than its factorization.

34340220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281679 (or 10281677 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 34340220020 its reverse (2002204343), we get a palindrome (36342424363).

The spelling of 34340220020 in words is "thirty-four billion, three hundred forty million, two hundred twenty thousand, twenty".