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20200750768831 = 29176925180243
BaseRepresentation
bin1001001011111010110101…
…00100101110001010111111
32122112011200001110012101011
410211331122210232022333
510121432114144100311
6110544032523500051
74153312302266203
oct445753244561277
978464601405334
1020200750768831
1164890aa1a3a46
12232305a687627
13b36bcc009609
144dba15d30b03
152507041aa321
hex125f5a92e2bf

20200750768831 has 4 divisors (see below), whose sum is σ = 20207675951992. Its totient is φ = 20193825585672.

The previous prime is 20200750768817. The next prime is 20200750768937. The reversal of 20200750768831 is 13886705700202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20200750768831 - 217 = 20200750637759 is a prime.

It is a super-2 number, since 2×202007507688312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200750768531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3462587205 + ... + 3462593038.

It is an arithmetic number, because the mean of its divisors is an integer number (5051918987998).

Almost surely, 220200750768831 is an apocalyptic number.

20200750768831 is a deficient number, since it is larger than the sum of its proper divisors (6925183161).

20200750768831 is an equidigital number, since it uses as much as digits as its factorization.

20200750768831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6925183160.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 20200750768831 in words is "twenty trillion, two hundred billion, seven hundred fifty million, seven hundred sixty-eight thousand, eight hundred thirty-one".

Divisors: 1 2917 6925180243 20200750768831