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23302029020 = 2251961321129
BaseRepresentation
bin10101101100111010…
…001011111011011100
32020010221212201111212
4111230322023323130
5340210304412040
614412123203552
71453305656444
oct255472137334
966127781455
1023302029020
11997842a326
1246239765b8
13227481a66a
1411b0a6d124
15915abed65
hex56ce8bedc

23302029020 has 24 divisors (see below), whose sum is σ = 51509749200. Its totient is φ = 8830242432.

The previous prime is 23302028999. The next prime is 23302029043. The reversal of 23302029020 is 2092020332.

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, 30660185 + ... + 30660944.

It is an arithmetic number, because the mean of its divisors is an integer number (2146239550).

Almost surely, 223302029020 is an apocalyptic number.

23302029020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23302029020 is an abundant number, since it is smaller than the sum of its proper divisors (28207720180).

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

23302029020 is a wasteful number, since it uses less digits than its factorization.

23302029020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61321157 (or 61321155 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23302029020 its reverse (2092020332), we get a palindrome (25394049352).

The spelling of 23302029020 in words is "twenty-three billion, three hundred two million, twenty-nine thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 61321129 122642258 245284516 306605645 613211290 1165101451 1226422580 2330202902 4660405804 5825507255 11651014510 23302029020