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20290836303360 = 293357172312151
BaseRepresentation
bin1001001110100010101000…
…00101110000111000000000
32122211210012021021111211000
410213101110011300320000
510124421113043201420
6111053252001252000
74162651560556440
oct447212405607000
978753167244730
1020290836303360
116513328126427
122338600034000
13b4255777912c
14502120336120
15252c27cd0690
hex127454170e00

20290836303360 has 2880 divisors, whose sum is σ = 91013973304320. Its totient is φ = 4196302848000.

The previous prime is 20290836303341. The next prime is 20290836303461. The reversal of 20290836303360 is 6330363809202.

20290836303360 is a `hidden beast` number, since 2 + 0 + 2 + 9 + 0 + 8 + 3 + 630 + 3 + 3 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 134376399285 + ... + 134376399435.

It is an arithmetic number, because the mean of its divisors is an integer number (31602074064).

Almost surely, 220290836303360 is an apocalyptic number.

20290836303360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20290836303360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45506986652160).

20290836303360 is an abundant number, since it is smaller than the sum of its proper divisors (70723137000960).

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

20290836303360 is a wasteful number, since it uses less digits than its factorization.

20290836303360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 45.

The spelling of 20290836303360 in words is "twenty trillion, two hundred ninety billion, eight hundred thirty-six million, three hundred three thousand, three hundred sixty".