Search a number
BaseRepresentation
bin11111101011110011…
…111001001000111100
310020210222112220010221
4133223303321020330
51024133340121340
623343512311124
72313033620605
oct375363711074
9106728486127
1034021020220
1113478a85040
1267156a24a4
1332924663c5
14190a4b0dac
15d41b5244a
hex7ebcf923c

34021020220 has 96 divisors (see below), whose sum is σ = 78972558336. Its totient is φ = 12208147200.

The previous prime is 34021020181. The next prime is 34021020233. The reversal of 34021020220 is 2202012043.

Adding to 34021020220 its reverse (2202012043), we get a palindrome (36223032263).

It is a junction number, because it is equal to n+sod(n) for n = 34021020194 and 34021020203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6376674 + ... + 6382006.

It is an arithmetic number, because the mean of its divisors is an integer number (822630816).

Almost surely, 234021020220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34021020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39486279168).

34021020220 is an abundant number, since it is smaller than the sum of its proper divisors (44951538116).

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

34021020220 is a wasteful number, since it uses less digits than its factorization.

34021020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5731 (or 5729 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The spelling of 34021020220 in words is "thirty-four billion, twenty-one million, twenty thousand, two hundred twenty".