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20432252210 = 253165910491
BaseRepresentation
bin10011000001110110…
…110110110100110010
31221201221212221210212
4103001312312310302
5313321124032320
613215250024122
71322221164266
oct230166666462
957657787725
1020432252210
118735523557
123b62878042
131c080cc386
14dbb8840a6
157e8ba09c5
hex4c1db6d32

20432252210 has 16 divisors (see below), whose sum is σ = 37964443392. Its totient is φ = 7909258800.

The previous prime is 20432252207. The next prime is 20432252219. The reversal of 20432252210 is 1225223402.

It is not an unprimeable number, because it can be changed into a prime (20432252219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32954936 + ... + 32955555.

It is an arithmetic number, because the mean of its divisors is an integer number (2372777712).

Almost surely, 220432252210 is an apocalyptic number.

20432252210 is a deficient number, since it is larger than the sum of its proper divisors (17532191182).

20432252210 is a wasteful number, since it uses less digits than its factorization.

20432252210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65910529.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20432252210 its reverse (1225223402), we get a palindrome (21657475612).

The spelling of 20432252210 in words is "twenty billion, four hundred thirty-two million, two hundred fifty-two thousand, two hundred ten".

Divisors: 1 2 5 10 31 62 155 310 65910491 131820982 329552455 659104910 2043225221 4086450442 10216126105 20432252210