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22404422024020 = 2257315345494537
BaseRepresentation
bin1010001100000011011111…
…00111011011101101010100
32221022211201200200211012001
411012001233213123231110
510414033224014232040
6115352241022405044
74501444315015201
oct506015747335524
987284650624161
1022404422024020
117158731172323
12261a163730784
13c6696035abaa
145765462bcca8
1528cbcca9659a
hex14606f9dbb54

22404422024020 has 24 divisors (see below), whose sum is σ = 47693797024104. Its totient is φ = 8839004852736.

The previous prime is 22404422024003. The next prime is 22404422024027. The reversal of 22404422024020 is 2042022440422.

It can be written as a sum of positive squares in 4 ways, for example, as 306769761424 + 22097652262596 = 553868^2 + 4700814^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22404422024020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22404422024027) 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, 7672745809 + ... + 7672748728.

It is an arithmetic number, because the mean of its divisors is an integer number (1987241542671).

Almost surely, 222404422024020 is an apocalyptic number.

22404422024020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22404422024020 is an abundant number, since it is smaller than the sum of its proper divisors (25289375000084).

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

22404422024020 is a wasteful number, since it uses less digits than its factorization.

22404422024020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15345494619 (or 15345494617 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22404422024020 its reverse (2042022440422), we get a palindrome (24446444464442).

The spelling of 22404422024020 in words is "twenty-two trillion, four hundred four billion, four hundred twenty-two million, twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 15345494537 30690989074 61381978148 76727472685 153454945370 306909890740 1120221101201 2240442202402 4480884404804 5601105506005 11202211012010 22404422024020