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BaseRepresentation
bin10010101111011001…
…110011001000100000
31220221101022021121001
4102233121303020200
5312202344120044
613124430041344
71311441442366
oct225731631040
956841267531
1020122645024
118596788049
123a97049254
131b88c19761
14d8c6cd636
157cb8e52d4
hex4af673220

20122645024 has 24 divisors (see below), whose sum is σ = 39726832320. Its totient is φ = 10033290816.

The previous prime is 20122645013. The next prime is 20122645033. The reversal of 20122645024 is 42054622102.

It is a junction number, because it is equal to n+sod(n) for n = 20122644983 and 20122645001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864324 + ... + 887299.

It is an arithmetic number, because the mean of its divisors is an integer number (1655284680).

Almost surely, 220122645024 is an apocalyptic number.

It is an amenable number.

20122645024 is a deficient number, since it is larger than the sum of its proper divisors (19604187296).

20122645024 is a wasteful number, since it uses less digits than its factorization.

20122645024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751992 (or 1751984 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 20122645024 in words is "twenty billion, one hundred twenty-two million, six hundred forty-five thousand, twenty-four".