Search a number
-
+
20021212020003 = 38974985812809
BaseRepresentation
bin1001000110101100011010…
…01110101111110100100011
32121220000020200121202210020
410203112031032233310203
510111011420234120003
6110325341241204523
74134325204145535
oct443261516576443
977800220552706
1020021212020003
116419a48262687
1222b42b3490743
13b22cb8b00c6c
144d30634c1855
1524abe7213d53
hex12358d3afd23

20021212020003 has 8 divisors (see below), whose sum is σ = 26994892611600. Its totient is φ = 13197503054208.

The previous prime is 20021212019987. The next prime is 20021212020037. The reversal of 20021212020003 is 30002021212002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20021212020003 - 24 = 20021212019987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20021212010003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37492906138 + ... + 37492906671.

It is an arithmetic number, because the mean of its divisors is an integer number (3374361576450).

Almost surely, 220021212020003 is an apocalyptic number.

20021212020003 is a deficient number, since it is larger than the sum of its proper divisors (6973680591597).

20021212020003 is an equidigital number, since it uses as much as digits as its factorization.

20021212020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74985812901.

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

Adding to 20021212020003 its reverse (30002021212002), we get a palindrome (50023233232005).

The spelling of 20021212020003 in words is "twenty trillion, twenty-one billion, two hundred twelve million, twenty thousand, three".

Divisors: 1 3 89 267 74985812809 224957438427 6673737340001 20021212020003