Search a number
-
+
20024433145 = 510758516397
BaseRepresentation
bin10010101001100011…
…001001100111111001
31220200112111121020001
4102221203021213321
5312002223330040
613111001033001
71306136605363
oct225143114771
956615447201
1020024433145
1185462a8002
123a6a185761
131b71780b12
14d7d645d33
157c2e9559a
hex4a98c99f9

20024433145 has 16 divisors (see below), whose sum is σ = 24261830208. Its totient is φ = 15864638400.

The previous prime is 20024433139. The next prime is 20024433151. The reversal of 20024433145 is 54133442002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20024433139) and next prime (20024433151).

It is not a de Polignac number, because 20024433145 - 215 = 20024400377 is a prime.

It is a Duffinian number.

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, 3127087 + ... + 3133483.

It is an arithmetic number, because the mean of its divisors is an integer number (1516364388).

Almost surely, 220024433145 is an apocalyptic number.

It is an amenable number.

20024433145 is a deficient number, since it is larger than the sum of its proper divisors (4237397063).

20024433145 is a wasteful number, since it uses less digits than its factorization.

20024433145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12360.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 20024433145 its reverse (54133442002), we get a palindrome (74157875147).

The spelling of 20024433145 in words is "twenty billion, twenty-four million, four hundred thirty-three thousand, one hundred forty-five".

Divisors: 1 5 107 535 5851 6397 29255 31985 626057 684479 3130285 3422395 37428847 187144235 4004886629 20024433145