Search a number
-
+
20002121202 = 2371447329123
BaseRepresentation
bin10010101000001110…
…000010010111110010
31220121222112000222210
4102220032002113302
5311431020334302
613104442512550
71305446140110
oct225016022762
956558460883
1020002121202
118534748788
123a62805756
131b69c6b29b
14d7a6b8ab0
157c103966c
hex4a83825f2

20002121202 has 32 divisors (see below), whose sum is σ = 45750868992. Its totient is φ = 5710924944.

The previous prime is 20002121179. The next prime is 20002121203. The reversal of 20002121202 is 20212120002.

It is not an unprimeable number, because it can be changed into a prime (20002121203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103788 + ... + 225335.

It is an arithmetic number, because the mean of its divisors is an integer number (1429714656).

Almost surely, 220002121202 is an apocalyptic number.

20002121202 is an abundant number, since it is smaller than the sum of its proper divisors (25748747790).

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

20002121202 is a wasteful number, since it uses less digits than its factorization.

20002121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330582.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20002121202 its reverse (20212120002), we get a palindrome (40214241204).

The spelling of 20002121202 in words is "twenty billion, two million, one hundred twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 7 14 21 42 1447 2894 4341 8682 10129 20258 30387 60774 329123 658246 987369 1974738 2303861 4607722 6911583 13823166 476240981 952481962 1428722943 2857445886 3333686867 6667373734 10001060601 20002121202