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20122023044 = 2210946151429
BaseRepresentation
bin10010101111010111…
…011011010010000100
31220221100010200101202
4102233113123102010
5312202214214134
613124404442032
71311433242134
oct225727332204
956840120352
1020122023044
1185963a2812
123a969a9318
131b88a5c616
14d8c5aaac4
157cb820d7e
hex4af5db484

20122023044 has 12 divisors (see below), whose sum is σ = 35536601100. Its totient is φ = 9968708448.

The previous prime is 20122023029. The next prime is 20122023049. The reversal of 20122023044 is 44032022102.

It can be written as a sum of positive squares in 2 ways, for example, as 16167122500 + 3954900544 = 127150^2 + 62888^2 .

It is a super-2 number, since 2×201220230442 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20122023049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23075279 + ... + 23076150.

It is an arithmetic number, because the mean of its divisors is an integer number (2961383425).

Almost surely, 220122023044 is an apocalyptic number.

It is an amenable number.

20122023044 is a deficient number, since it is larger than the sum of its proper divisors (15414578056).

20122023044 is a wasteful number, since it uses less digits than its factorization.

20122023044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46151542 (or 46151540 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20122023044 its reverse (44032022102), we get a palindrome (64154045146).

The spelling of 20122023044 in words is "twenty billion, one hundred twenty-two million, twenty-three thousand, forty-four".

Divisors: 1 2 4 109 218 436 46151429 92302858 184605716 5030505761 10061011522 20122023044