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20092920 = 2335167441
BaseRepresentation
bin100110010100…
…1011111111000
31101210211022020
41030221133320
520120433140
61554354440
7332533641
oct114513770
941724266
1020092920
1110384121
12688ba20
134216803
1429506c8
151b6d6d0
hex13297f8

20092920 has 32 divisors (see below), whose sum is σ = 60279120. Its totient is φ = 5358080.

The previous prime is 20092913. The next prime is 20092927. The reversal of 20092920 is 2929002.

It is an interprime number because it is at equal distance from previous prime (20092913) and next prime (20092927).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20092927) 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, 83601 + ... + 83840.

Almost surely, 220092920 is an apocalyptic number.

20092920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20092920 is an abundant number, since it is smaller than the sum of its proper divisors (40186200).

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

20092920 is a wasteful number, since it uses less digits than its factorization.

20092920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167455 (or 167451 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 20092920 is about 4482.5126882141. The cubic root of 20092920 is about 271.8614851255.

It can be divided in two parts, 20092 and 920, that added together give a palindrome (21012).

The spelling of 20092920 in words is "twenty million, ninety-two thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 167441 334882 502323 669764 837205 1004646 1339528 1674410 2009292 2511615 3348820 4018584 5023230 6697640 10046460 20092920