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20044150420 = 2257490329201
BaseRepresentation
bin10010101010101110…
…010111011010010100
31220201220121100020111
4102222232113122110
5312022300303140
613112543412404
71306466316220
oct225256273224
956656540214
1020044150420
118556444978
123a748b4104
131b75895648
14d820d9780
157c4a8c7ea
hex4aab97694

20044150420 has 48 divisors (see below), whose sum is σ = 48117420288. Its totient is φ = 6870643200.

The previous prime is 20044150409. The next prime is 20044150433. The reversal of 20044150420 is 2405144002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20044150391 and 20044150400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671820 + ... + 701020.

It is an arithmetic number, because the mean of its divisors is an integer number (1002446256).

Almost surely, 220044150420 is an apocalyptic number.

20044150420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20044150420 is an abundant number, since it is smaller than the sum of its proper divisors (28073269868).

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

20044150420 is a wasteful number, since it uses less digits than its factorization.

20044150420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34120 (or 34118 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 20044150420 its reverse (2405144002), we get a palindrome (22449294422).

The spelling of 20044150420 in words is "twenty billion, forty-four million, one hundred fifty thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 4903 9806 19612 24515 29201 34321 49030 58402 68642 98060 116804 137284 146005 171605 204407 292010 343210 408814 584020 686420 817628 1022035 2044070 4088140 143172503 286345006 572690012 715862515 1002207521 1431725030 2004415042 2863450060 4008830084 5011037605 10022075210 20044150420