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20032011023 = 231495845349
BaseRepresentation
bin10010101010000000…
…000011101100001111
31220201001202121010012
4102222000003230033
5312011143323043
613111431303435
71306261166333
oct225200035417
956631677105
1020032011023
11854a603412
123a7081ab7b
131b7320507b
14d806597c3
157c3990a18
hex4aa003b0f

20032011023 has 8 divisors (see below), whose sum is σ = 21043260000. Its totient is φ = 19032453088.

The previous prime is 20032011017. The next prime is 20032011079. The reversal of 20032011023 is 32011023002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20032011023 - 24 = 20032011007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20032010989 and 20032011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032016023) 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, 2919248 + ... + 2926101.

It is an arithmetic number, because the mean of its divisors is an integer number (2630407500).

Almost surely, 220032011023 is an apocalyptic number.

20032011023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20032011023 is a deficient number, since it is larger than the sum of its proper divisors (1011248977).

20032011023 is a wasteful number, since it uses less digits than its factorization.

20032011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845521.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20032011023 its reverse (32011023002), we get a palindrome (52043034025).

The spelling of 20032011023 in words is "twenty billion, thirty-two million, eleven thousand, twenty-three".

Divisors: 1 23 149 3427 5845349 134443027 870957001 20032011023