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20433614620 = 2254323760017
BaseRepresentation
bin10011000001111100…
…000011011100011100
31221202001110011200111
4103001330003130130
5313322001131440
613215335135404
71322235600316
oct230174033434
957661404614
1020433614620
118736274111
123b63214564
131c08488533
14dbbb1a7b6
157e8d6e4ea
hex4c1f0371c

20433614620 has 24 divisors (see below), whose sum is σ = 43908513264. Its totient is φ = 7983365376.

The previous prime is 20433614599. The next prime is 20433614633. The reversal of 20433614620 is 2641633402.

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, 11879149 + ... + 11880868.

It is an arithmetic number, because the mean of its divisors is an integer number (1829521386).

Almost surely, 220433614620 is an apocalyptic number.

20433614620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20433614620 is an abundant number, since it is smaller than the sum of its proper divisors (23474898644).

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

20433614620 is a wasteful number, since it uses less digits than its factorization.

20433614620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23760069 (or 23760067 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 20433614620 in words is "twenty billion, four hundred thirty-three million, six hundred fourteen thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 23760017 47520034 95040068 118800085 237600170 475200340 1021680731 2043361462 4086722924 5108403655 10216807310 20433614620