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20212301020 = 2253011335641
BaseRepresentation
bin10010110100101111…
…110011110011011100
31221011122000021111111
4102310233303303130
5312343322113040
613141351431404
71313610503212
oct226457636334
957148007444
1020212301020
118632353a0a
123b01085564
131ba167ac42
14d9a58acb2
157d4704dea
hex4b4bf3cdc

20212301020 has 24 divisors (see below), whose sum is σ = 42460055568. Its totient is φ = 8082211200.

The previous prime is 20212300961. The next prime is 20212301027. The reversal of 20212301020 is 2010321202.

It is a super-2 number, since 2×202123010202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212301027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107601 + ... + 228040.

It is an arithmetic number, because the mean of its divisors is an integer number (1769168982).

Almost surely, 220212301020 is an apocalyptic number.

20212301020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212301020 is an abundant number, since it is smaller than the sum of its proper divisors (22247754548).

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

20212301020 is a wasteful number, since it uses less digits than its factorization.

20212301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338661 (or 338659 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20212301020 its reverse (2010321202), we get a palindrome (22222622222).

The spelling of 20212301020 in words is "twenty billion, two hundred twelve million, three hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 3011 6022 12044 15055 30110 60220 335641 671282 1342564 1678205 3356410 6712820 1010615051 2021230102 4042460204 5053075255 10106150510 20212301020