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20122030231292 = 22111019114970263
BaseRepresentation
bin1001001001101000001100…
…11101101100111011111100
32122020122110212212112220202
410210310012131230323330
510114134404214400132
6110443533313303032
74144524444616643
oct444640635547374
978218425775822
1020122030231292
116458783537a60
12230b94b264a78
13b2c664c9b7a2
144d7ca908c35a
1524d6481c1762
hex124d0676cefc

20122030231292 has 48 divisors (see below), whose sum is σ = 38837722420224. Its totient is φ = 9045876840000.

The previous prime is 20122030231291. The next prime is 20122030231301. The reversal of 20122030231292 is 29213203022102.

It is a super-2 number, since 2×201220302312922 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122030231291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1563353 + ... + 6533615.

It is an arithmetic number, because the mean of its divisors is an integer number (809119217088).

Almost surely, 220122030231292 is an apocalyptic number.

20122030231292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20122030231292 is a deficient number, since it is larger than the sum of its proper divisors (18715692188932).

20122030231292 is a wasteful number, since it uses less digits than its factorization.

20122030231292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971290 (or 4971288 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 20122030231292 its reverse (29213203022102), we get a palindrome (49335233253394).

The spelling of 20122030231292 in words is "twenty trillion, one hundred twenty-two billion, thirty million, two hundred thirty-one thousand, two hundred ninety-two".

Divisors: 1 2 4 11 22 44 101 202 404 911 1111 1822 2222 3644 4444 10021 20042 40084 92011 184022 368044 1012121 2024242 4048484 4970263 9940526 19881052 54672893 109345786 218691572 501996563 1003993126 2007986252 4527909593 5521962193 9055819186 11043924386 18111638372 22087848772 49807005523 99614011046 199228022092 457318868893 914637737786 1829275475572 5030507557823 10061015115646 20122030231292