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20020302012 = 22310117239587
BaseRepresentation
bin10010101001010011…
…011001000010111100
31220200020201201101010
4102221103121002330
5312000144131022
613110332315220
71306056521304
oct225123310274
956606651333
1020020302012
118543a36247
123a68912b10
131b70965669
14d7cc8c604
157c292b50c
hex4a94d90bc

20020302012 has 48 divisors (see below), whose sum is σ = 47208857472. Its totient is φ = 6602836800.

The previous prime is 20020301863. The next prime is 20020302013. The reversal of 20020302012 is 21020302002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020302013) 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, 2083483 + ... + 2093069.

It is an arithmetic number, because the mean of its divisors is an integer number (983517864).

Almost surely, 220020302012 is an apocalyptic number.

It is an amenable number.

20020302012 is an abundant number, since it is smaller than the sum of its proper divisors (27188555460).

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

20020302012 is a wasteful number, since it uses less digits than its factorization.

20020302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11418 (or 11416 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20020302012 its reverse (21020302002), we get a palindrome (41040604014).

The spelling of 20020302012 in words is "twenty billion, twenty million, three hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 1723 3446 5169 6892 9587 10338 19174 20676 28761 38348 57522 115044 174023 348046 522069 696092 968287 1044138 1936574 2088276 2904861 3873148 5809722 11619444 16518401 33036802 49555203 66073604 99110406 198220812 1668358501 3336717002 5005075503 6673434004 10010151006 20020302012