Search a number
-
+
20102211002 = 2231274018581
BaseRepresentation
bin10010101110001011…
…110110010110111010
31220212221212010101102
4102232023312112322
5312132131223002
613122420051402
71311102655106
oct225613662672
956787763342
1020102211002
1185861a0725
123a90233b62
131b84913913
14d89ad0906
157c9c0aa02
hex4ae2f65ba

20102211002 has 32 divisors (see below), whose sum is σ = 31794868224. Its totient is φ = 9513504000.

The previous prime is 20102211001. The next prime is 20102211013. The reversal of 20102211002 is 20011220102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20102211001) 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, 2338352 + ... + 2346932.

It is an arithmetic number, because the mean of its divisors is an integer number (993589632).

Almost surely, 220102211002 is an apocalyptic number.

20102211002 is a deficient number, since it is larger than the sum of its proper divisors (11692657222).

20102211002 is a wasteful number, since it uses less digits than its factorization.

20102211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9134.

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

Adding to 20102211002 its reverse (20011220102), we get a palindrome (40113431104).

The spelling of 20102211002 in words is "twenty billion, one hundred two million, two hundred eleven thousand, two".

Divisors: 1 2 23 46 127 254 401 802 2921 5842 8581 9223 17162 18446 50927 101854 197363 394726 1089787 1171321 2179574 2342642 3440981 6881962 25065101 50130202 79142563 158285126 437004587 874009174 10051105501 20102211002