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4202020020400 = 245210505050051
BaseRepresentation
bin111101001001011011111…
…010010010000010110000
3112212201011000000001110221
4331021123322102002300
51022321214111123100
612534214212102424
7612404654564326
oct75113372220260
915781130001427
104202020020400
111380080834014
1257a468004a14
13246330781747
1410754380bd16
157448694901a
hex3d25be920b0

4202020020400 has 30 divisors (see below), whose sum is σ = 10095353099972. Its totient is φ = 1680808008000.

The previous prime is 4202020020371. The next prime is 4202020020413. The reversal of 4202020020400 is 40200202024.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5252524626 + ... + 5252525425.

Almost surely, 24202020020400 is an apocalyptic number.

4202020020400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4202020020400 is an abundant number, since it is smaller than the sum of its proper divisors (5893333079572).

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

4202020020400 is a wasteful number, since it uses less digits than its factorization.

4202020020400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10505050069 (or 10505050058 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 4202020020400 its reverse (40200202024), we get a palindrome (4242220222424).

The spelling of 4202020020400 in words is "four trillion, two hundred two billion, twenty million, twenty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 10505050051 21010100102 42020200204 52525250255 84040400408 105050500510 168080800816 210101001020 262626251275 420202002040 525252502550 840404004080 1050505005100 2101010010200 4202020020400