Search a number
-
+
20210220100002 = 237127472621021
BaseRepresentation
bin1001001100001100011101…
…11111010110100110100010
32122120002002222200001201110
410212012032333112212202
510122111012321200002
6110552240312244150
74154066044261542
oct446061677264642
978502088601643
1020210220100002
116492119404679
122324a619a0656
13b37a7aa9445a
144dc2737d7322
15250aaa692e6c
hex12618efd69a2

20210220100002 has 16 divisors (see below), whose sum is σ = 40426111737792. Its totient is φ = 6735794777040.

The previous prime is 20210220099983. The next prime is 20210220100039. The reversal of 20210220100002 is 20000102201202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236267749 + ... + 236353272.

It is an arithmetic number, because the mean of its divisors is an integer number (2526631983612).

Almost surely, 220210220100002 is an apocalyptic number.

20210220100002 is an abundant number, since it is smaller than the sum of its proper divisors (20215891637790).

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

20210220100002 is a wasteful number, since it uses less digits than its factorization.

20210220100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472628153.

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

Adding to 20210220100002 its reverse (20000102201202), we get a palindrome (40210322301204).

The spelling of 20210220100002 in words is "twenty trillion, two hundred ten billion, two hundred twenty million, one hundred thousand, two".

Divisors: 1 2 3 6 7127 14254 21381 42762 472621021 945242042 1417863063 2835726126 3368370016667 6736740033334 10105110050001 20210220100002