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BaseRepresentation
bin100110001100…
…0011011111000
31101200021102210
41030120123320
520111214112
61553055120
7332123121
oct114303370
941607383
1020023032
1110336667
1268574a0
1341c0a63
142933048
151b57b3c
hex13186f8

20023032 has 32 divisors (see below), whose sum is σ = 50176080. Its totient is φ = 6658560.

The previous prime is 20023027. The next prime is 20023037. The reversal of 20023032 is 23032002.

It is an interprime number because it is at equal distance from previous prime (20023027) and next prime (20023037).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20022999 and 20023017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023037) 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, 14032 + ... + 15392.

Almost surely, 220023032 is an apocalyptic number.

It is an amenable number.

20023032 is an abundant number, since it is smaller than the sum of its proper divisors (30153048).

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

20023032 is a wasteful number, since it uses less digits than its factorization.

20023032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20023032 is about 4474.7102699504. The cubic root of 20023032 is about 271.5459191314.

Adding to 20023032 its reverse (23032002), we get a palindrome (43055034).

It can be divided in two parts, 200 and 23032, that added together give a palindrome (23232).

The spelling of 20023032 in words is "twenty million, twenty-three thousand, thirty-two".