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44420032020 = 2235713172320807
BaseRepresentation
bin101001010111101000…
…111110011000010100
311020122201010102120010
4221113220332120110
51211433012011040
632223431240220
73131525020350
oct512750763024
9136581112503
1044420032020
1117924a4a571
128738219070
13425ba0a420
14221561c460
15124ea7ae80
hexa57a3e614

44420032020 has 384 divisors, whose sum is σ = 169138077696. Its totient is φ = 8436916224.

The previous prime is 44420031991. The next prime is 44420032061. The reversal of 44420032020 is 2023002444.

44420032020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2124457 + ... + 2145263.

It is an arithmetic number, because the mean of its divisors is an integer number (440463744).

Almost surely, 244420032020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44420032020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84569038848).

44420032020 is an abundant number, since it is smaller than the sum of its proper divisors (124718045676).

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

44420032020 is a wasteful number, since it uses less digits than its factorization.

44420032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20879 (or 20877 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 44420032020 its reverse (2023002444), we get a palindrome (46443034464).

The spelling of 44420032020 in words is "forty-four billion, four hundred twenty million, thirty-two thousand, twenty".