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203424441020 = 22525639396709
BaseRepresentation
bin1011110101110100001…
…0101010001010111100
3201110001222222022110022
42331131002222022330
511313103124103040
6233241335431312
720461022135033
oct2753502521274
9643058868408
10203424441020
11792a9880449
1233512525538
131624b921938
149bbac1171a
155458e086b5
hex2f5d0aa2bc

203424441020 has 24 divisors (see below), whose sum is σ = 427209064800. Its totient is φ = 81366397632.

The previous prime is 203424441007. The next prime is 203424441133. The reversal of 203424441020 is 20144424302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314426 + ... + 711134.

It is an arithmetic number, because the mean of its divisors is an integer number (17800377700).

Almost surely, 2203424441020 is an apocalyptic number.

203424441020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203424441020 is an abundant number, since it is smaller than the sum of its proper divisors (223784623780).

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

203424441020 is a wasteful number, since it uses less digits than its factorization.

203424441020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422357 (or 422355 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 203424441020 its reverse (20144424302), we get a palindrome (223568865322).

The spelling of 203424441020 in words is "two hundred three billion, four hundred twenty-four million, four hundred forty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 25639 51278 102556 128195 256390 396709 512780 793418 1586836 1983545 3967090 7934180 10171222051 20342444102 40684888204 50856110255 101712220510 203424441020