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202101300020 = 22547215001383
BaseRepresentation
bin1011110000111000101…
…1010001101100110100
3201022122210020210020002
42330032023101230310
511302400413100040
6232502152130432
720413154464064
oct2741613215464
9638583223202
10202101300020
117878aa07a94
1233203396a18
131609a773979
149ad31c93a4
1553ccb96a15
hex2f0e2d1b34

202101300020 has 24 divisors (see below), whose sum is σ = 433442790144. Its totient is φ = 79120508576.

The previous prime is 202101299987. The next prime is 202101300053. The reversal of 202101300020 is 20003101202.

It is a happy number.

202101300020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202101299987) and next prime (202101300053).

It is a junction number, because it is equal to n+sod(n) for n = 202101299974 and 202101300010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107499752 + ... + 107501631.

It is an arithmetic number, because the mean of its divisors is an integer number (18060116256).

Almost surely, 2202101300020 is an apocalyptic number.

202101300020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202101300020 is an abundant number, since it is smaller than the sum of its proper divisors (231341490124).

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

202101300020 is a wasteful number, since it uses less digits than its factorization.

202101300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215001439 (or 215001437 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 202101300020 its reverse (20003101202), we get a palindrome (222104401222).

The spelling of 202101300020 in words is "two hundred two billion, one hundred one million, three hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 215001383 430002766 860005532 1075006915 2150013830 4300027660 10105065001 20210130002 40420260004 50525325005 101050650010 202101300020