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20047572960 = 253541765777
BaseRepresentation
bin10010101010111011…
…011010111111100000
31220202011001020002020
4102222323122333200
5312024134313320
613113145021440
71306540362402
oct225273327740
956664036066
1020047572960
118558372318
123a75a84880
131b764c340c
14d8274ab72
157c5016940
hex4aaedafe0

20047572960 has 48 divisors (see below), whose sum is σ = 63149856336. Its totient is φ = 5346019328.

The previous prime is 20047572943. The next prime is 20047572971. The reversal of 20047572960 is 6927574002.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20882409 + ... + 20883368.

It is an arithmetic number, because the mean of its divisors is an integer number (1315622007).

Almost surely, 220047572960 is an apocalyptic number.

20047572960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20047572960 is an abundant number, since it is smaller than the sum of its proper divisors (43102283376).

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

20047572960 is a wasteful number, since it uses less digits than its factorization.

20047572960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41765795 (or 41765787 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 20047572960 in words is "twenty billion, forty-seven million, five hundred seventy-two thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 41765777 83531554 125297331 167063108 208828885 250594662 334126216 417657770 501189324 626486655 668252432 835315540 1002378648 1252973310 1336504864 1670631080 2004757296 2505946620 3341262160 4009514592 5011893240 6682524320 10023786480 20047572960