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100201020 = 22351670017
BaseRepresentation
bin1011111100011…
…11001000111100
320222112201221220
411332033020330
5201122413040
613535353340
72324460153
oct576171074
9228481856
10100201020
1151619567
1229682850
13179b415a
14d44459a
158be42d0
hex5f8f23c

100201020 has 24 divisors (see below), whose sum is σ = 280563024. Its totient is φ = 26720256.

The previous prime is 100200967. The next prime is 100201037. The reversal of 100201020 is 20102001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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, 834949 + ... + 835068.

It is an arithmetic number, because the mean of its divisors is an integer number (11690126).

Almost surely, 2100201020 is an apocalyptic number.

100201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100201020 is an abundant number, since it is smaller than the sum of its proper divisors (180362004).

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

100201020 is a wasteful number, since it uses less digits than its factorization.

100201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670029 (or 1670027 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 100201020 is about 10010.0459539405. The cubic root of 100201020 is about 464.4696925871.

Adding to 100201020 its reverse (20102001), we get a palindrome (120303021).

The spelling of 100201020 in words is "one hundred million, two hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1670017 3340034 5010051 6680068 8350085 10020102 16700170 20040204 25050255 33400340 50100510 100201020