Search a number
-
+
20413210020 = 22357179473019
BaseRepresentation
bin10011000000101110…
…001101110110100100
31221200122001111211120
4103000232031312210
5313301240210040
613213325533540
71321600264560
oct230056156644
957618044746
1020413210020
1187257a7905
123b584142b0
131c04192bc8
14db91286a0
157e718d7d0
hex4c0b8dda4

20413210020 has 192 divisors, whose sum is σ = 69260728320. Its totient is φ = 4385323008.

The previous prime is 20413210001. The next prime is 20413210031. The reversal of 20413210020 is 2001231402.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6760071 + ... + 6763089.

It is an arithmetic number, because the mean of its divisors is an integer number (360732960).

Almost surely, 220413210020 is an apocalyptic number.

20413210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20413210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34630364160).

20413210020 is an abundant number, since it is smaller than the sum of its proper divisors (48847518300).

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

20413210020 is a wasteful number, since it uses less digits than its factorization.

20413210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002 (or 4000 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20413210020 its reverse (2001231402), we get a palindrome (22414441422).

The spelling of 20413210020 in words is "twenty billion, four hundred thirteen million, two hundred ten thousand, twenty".