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20048933520 = 243257111033511
BaseRepresentation
bin10010101011000000…
…100111001010010000
31220202020121100102100
4102223000213022100
5312030011333040
613113234120400
71306555060140
oct225300471220
956666540370
1020048933520
118559111550
123a76420100
131b7687b795
14d829c2920
157c51d4b30
hex4ab027290

20048933520 has 480 divisors, whose sum is σ = 84784287744. Its totient is φ = 4124390400.

The previous prime is 20048933483. The next prime is 20048933533. The reversal of 20048933520 is 2533984002.

20048933520 is a `hidden beast` number, since 2 + 0 + 0 + 48 + 93 + 3 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5708565 + ... + 5712075.

Almost surely, 220048933520 is an apocalyptic number.

20048933520 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 20048933520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42392143872).

20048933520 is an abundant number, since it is smaller than the sum of its proper divisors (64735354224).

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

20048933520 is a wasteful number, since it uses less digits than its factorization.

20048933520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651 (or 3642 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 20048933520 in words is "twenty billion, forty-eight million, nine hundred thirty-three thousand, five hundred twenty".