34020221340 has 96 divisors (see below), whose sum is σ = 108935608320. Its totient is φ = 7770986496.

The previous prime is 34020221321. The next prime is 34020221341. The reversal of 34020221340 is 4312202043.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34020221341) 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, 639276 + ... + 690444.

It is an arithmetic number, because the mean of its divisors is an integer number (1134745920).

Almost surely, 2^34020221340 is an apocalyptic number.

34020221340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34020221340 is an abundant number, since it is smaller than the sum of its proper divisors (74915386980).

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

34020221340 is a wasteful number, since it uses less digits than its factorization.

34020221340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52771 (or 52769 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 34020221340 its reverse (4312202043), we get a palindrome (38332423383).

The spelling of 34020221340 in words is "thirty-four billion, twenty million, two hundred twenty-one thousand, three hundred forty".