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10121132020 = 22511319123447
BaseRepresentation
bin10010110110100010…
…00011011111110100
3222010100200210000111
421123101003133310
5131212002211040
64352150552404
7505545126346
oct113321033764
928110623014
1010121132020
11432412a31a
121b65668704
13c53b1c71c
146c0295296
153e3838dea
hex25b4437f4

10121132020 has 48 divisors (see below), whose sum is σ = 21555652608. Its totient is φ = 3991447040.

The previous prime is 10121132011. The next prime is 10121132029. The reversal of 10121132020 is 2023112101.

It is an interprime number because it is at equal distance from previous prime (10121132011) and next prime (10121132029).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121132029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419937 + ... + 443383.

It is an arithmetic number, because the mean of its divisors is an integer number (449076096).

Almost surely, 210121132020 is an apocalyptic number.

10121132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121132020 is an abundant number, since it is smaller than the sum of its proper divisors (11434520588).

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

10121132020 is a wasteful number, since it uses less digits than its factorization.

10121132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23760 (or 23758 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10121132020 its reverse (2023112101), we get a palindrome (12144244121).

The spelling of 10121132020 in words is "ten billion, one hundred twenty-one million, one hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 113 191 226 382 452 565 764 955 1130 1910 2260 3820 21583 23447 43166 46894 86332 93788 107915 117235 215830 234470 431660 468940 2649511 4478377 5299022 8956754 10598044 13247555 17913508 22391885 26495110 44783770 52990220 89567540 506056601 1012113202 2024226404 2530283005 5060566010 10121132020