Search a number
-
+
20702016496 = 247184839433
BaseRepresentation
bin10011010001111011…
…111011001111110000
31222102202111101211201
4103101323323033300
5314344204011441
613302124020544
71332005144140
oct232173731760
958382441751
1020702016496
118863826447
124019091754
131c4bc71b05
141005626920
158126dac31
hex4d1efb3f0

20702016496 has 20 divisors (see below), whose sum is σ = 45840179632. Its totient is φ = 8872292736.

The previous prime is 20702016463. The next prime is 20702016499. The reversal of 20702016496 is 69461020702.

It is a super-2 number, since 2×207020164962 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20702016499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92419605 + ... + 92419828.

Almost surely, 220702016496 is an apocalyptic number.

It is an amenable number.

20702016496 is an abundant number, since it is smaller than the sum of its proper divisors (25138163136).

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

20702016496 is a wasteful number, since it uses less digits than its factorization.

20702016496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184839448 (or 184839442 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 20702016496 in words is "twenty billion, seven hundred two million, sixteen thousand, four hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 184839433 369678866 739357732 1293876031 1478715464 2587752062 2957430928 5175504124 10351008248 20702016496