Search a number
-
+
20832887568 = 243434018491
BaseRepresentation
bin10011011001101111…
…001010001100010000
31222202212202100012110
4103121233022030100
5320131204400233
613323121025320
71335154423353
oct233157121420
958685670173
1020832887568
118920692859
124054a85240
131c70103c0c
141018b7229a
1581de3c663
hex4d9bca310

20832887568 has 20 divisors (see below), whose sum is σ = 53818293008. Its totient is φ = 6944295840.

The previous prime is 20832887549. The next prime is 20832887587. The reversal of 20832887568 is 86578823802.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20832887549) and next prime (20832887587).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217009198 + ... + 217009293.

Almost surely, 220832887568 is an apocalyptic number.

It is an amenable number.

20832887568 is an abundant number, since it is smaller than the sum of its proper divisors (32985405440).

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

20832887568 is a wasteful number, since it uses less digits than its factorization.

20832887568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434018502 (or 434018496 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 20832887568 in words is "twenty billion, eight hundred thirty-two million, eight hundred eighty-seven thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 434018491 868036982 1302055473 1736073964 2604110946 3472147928 5208221892 6944295856 10416443784 20832887568