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20014431032 = 232501803879
BaseRepresentation
bin10010101000111100…
…111111101100111000
31220122211200102220102
4102220330333230320
5311442143243112
613110002414532
71305655566611
oct225074775470
956584612812
1020014431032
1185406962a2
123a66961448
131b6c68b2cb
14d7c1a0c08
157c216bbc2
hex4a8f3fb38

20014431032 has 8 divisors (see below), whose sum is σ = 37527058200. Its totient is φ = 10007215512.

The previous prime is 20014431023. The next prime is 20014431049. The reversal of 20014431032 is 23013441002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20014430995 and 20014431013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250901932 + ... + 1250901947.

It is an arithmetic number, because the mean of its divisors is an integer number (4690882275).

Almost surely, 220014431032 is an apocalyptic number.

It is an amenable number.

20014431032 is a deficient number, since it is larger than the sum of its proper divisors (17512627168).

20014431032 is a wasteful number, since it uses less digits than its factorization.

20014431032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501803885 (or 2501803881 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20014431032 its reverse (23013441002), we get a palindrome (43027872034).

The spelling of 20014431032 in words is "twenty billion, fourteen million, four hundred thirty-one thousand, thirty-two".

Divisors: 1 2 4 8 2501803879 5003607758 10007215516 20014431032