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2030201020 = 225101510051
BaseRepresentation
bin111100100000010…
…0110100010111100
312020111011220020101
41321000212202330
513124212413040
6533242130444
7101211265261
oct17100464274
95214156211
102030201020
11951aa5091
12487ab0a24
132647bc9a3
141538bb268
15bd37b09a
hex790268bc

2030201020 has 12 divisors (see below), whose sum is σ = 4263422184. Its totient is φ = 812080400.

The previous prime is 2030201009. The next prime is 2030201027. The reversal of 2030201020 is 201020302.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2030200988 and 2030201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030201027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50755006 + ... + 50755045.

It is an arithmetic number, because the mean of its divisors is an integer number (355285182).

Almost surely, 22030201020 is an apocalyptic number.

2030201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030201020 is an abundant number, since it is smaller than the sum of its proper divisors (2233221164).

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

2030201020 is a wasteful number, since it uses less digits than its factorization.

2030201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101510060 (or 101510058 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2030201020 is about 45057.7520522274. The cubic root of 2030201020 is about 1266.2312102723.

Adding to 2030201020 its reverse (201020302), we get a palindrome (2231221322).

The spelling of 2030201020 in words is "two billion, thirty million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 101510051 203020102 406040204 507550255 1015100510 2030201020