Search a number
-
+
20021201202 = 2337283318677
BaseRepresentation
bin10010101001010110…
…110100100100110010
31220200022102101211110
4102221112310210302
5312000411414302
613110403454150
71306100254662
oct225126644462
956608371743
1020021201202
11854449a882
123a69087356
131b70bbba22
14d7d0441a2
157c2a57b6c
hex4a95b4932

20021201202 has 32 divisors (see below), whose sum is σ = 41270075712. Its totient is φ = 6470397504.

The previous prime is 20021201183. The next prime is 20021201203. The reversal of 20021201202 is 20210212002.

It is not an unprimeable number, because it can be changed into a prime (20021201203) 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, 96513 + ... + 222164.

It is an arithmetic number, because the mean of its divisors is an integer number (1289689866).

Almost surely, 220021201202 is an apocalyptic number.

20021201202 is an abundant number, since it is smaller than the sum of its proper divisors (21248874510).

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

20021201202 is a wasteful number, since it uses less digits than its factorization.

20021201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319002.

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

Adding to 20021201202 its reverse (20210212002), we get a palindrome (40231413204).

The spelling of 20021201202 in words is "twenty billion, twenty-one million, two hundred one thousand, two hundred two".

Divisors: 1 2 3 6 37 74 111 222 283 566 849 1698 10471 20942 31413 62826 318677 637354 956031 1912062 11791049 23582098 35373147 70746294 90185591 180371182 270556773 541113546 3336866867 6673733734 10010600601 20021201202