Search a number
-
+
20110222010 = 2529325432699
BaseRepresentation
bin10010101110101010…
…011010001010111010
31220220111221010102102
4102232222122022322
5312141204101020
613123303503402
71311231031604
oct225652321272
956814833372
1020110222010
11858a77249a
123a92a57b62
131b8648a068
14d8abb8174
157ca78e475
hex4aea9a2ba

20110222010 has 32 divisors (see below), whose sum is σ = 36349689600. Its totient is φ = 8010513088.

The previous prime is 20110222007. The next prime is 20110222021. The reversal of 20110222010 is 1022201102.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20110221982 and 20110222000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7449641 + ... + 7452339.

It is an arithmetic number, because the mean of its divisors is an integer number (1135927800).

Almost surely, 220110222010 is an apocalyptic number.

20110222010 is a deficient number, since it is larger than the sum of its proper divisors (16239467590).

20110222010 is a wasteful number, since it uses less digits than its factorization.

20110222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5542.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20110222010 its reverse (1022201102), we get a palindrome (21132423112).

The spelling of 20110222010 in words is "twenty billion, one hundred ten million, two hundred twenty-two thousand, ten".

Divisors: 1 2 5 10 293 586 1465 2543 2699 2930 5086 5398 12715 13495 25430 26990 745099 790807 1490198 1581614 3725495 3954035 6863557 7450990 7908070 13727114 34317785 68635570 2011022201 4022044402 10055111005 20110222010