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20420023541010 = 235680667451367
BaseRepresentation
bin1001010010010011010000…
…01111111101110100010010
32200022010122112212011002120
410221021220033331310102
510134030202011303020
6111232455044155110
74205204135144322
oct451115017756422
980263575764076
1020420023541010
1165630a0a38135
122359654698a96
13b517a514caa2
145084978b3282
152562895ea740
hex1292683fdd12

20420023541010 has 16 divisors (see below), whose sum is σ = 49008056498496. Its totient is φ = 5445339610928.

The previous prime is 20420023541003. The next prime is 20420023541081. The reversal of 20420023541010 is 1014532002402.

It is a super-2 number, since 2×204200235410102 (a number of 27 digits) contains 22 as substring.

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, 340333725654 + ... + 340333725713.

It is an arithmetic number, because the mean of its divisors is an integer number (3063003531156).

Almost surely, 220420023541010 is an apocalyptic number.

20420023541010 is an abundant number, since it is smaller than the sum of its proper divisors (28588032957486).

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

20420023541010 is a wasteful number, since it uses less digits than its factorization.

20420023541010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680667451377.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20420023541010 its reverse (1014532002402), we get a palindrome (21434555543412).

The spelling of 20420023541010 in words is "twenty trillion, four hundred twenty billion, twenty-three million, five hundred forty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 680667451367 1361334902734 2042002354101 3403337256835 4084004708202 6806674513670 10210011770505 20420023541010