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1020202023001 = 72181111496659
BaseRepresentation
bin11101101100010001100…
…01110111100001011001
310121112022122002112012011
432312020301313201121
5113203333204214001
62100401353545521
7133464362054200
oct16661061674131
93545278075164
101020202023001
11363735499877
1214587b7152a1
13752877884c5
14375414ba237
151b8100dad51
hexed88c77859

1020202023001 has 12 divisors (see below), whose sum is σ = 1187421031440. Its totient is φ = 873975941160.

The previous prime is 1020202022999. The next prime is 1020202023073. The reversal of 1020202023001 is 1003202020201.

It is not a de Polignac number, because 1020202023001 - 21 = 1020202022999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020202023091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5659591 + ... + 5837068.

It is an arithmetic number, because the mean of its divisors is an integer number (98951752620).

Almost surely, 21020202023001 is an apocalyptic number.

It is an amenable number.

1020202023001 is a deficient number, since it is larger than the sum of its proper divisors (167219008439).

1020202023001 is a wasteful number, since it uses less digits than its factorization.

1020202023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11498484 (or 11498477 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1020202023001 its reverse (1003202020201), we get a palindrome (2023404043202).

The spelling of 1020202023001 in words is "one trillion, twenty billion, two hundred two million, twenty-three thousand, one".

Divisors: 1 7 49 1811 12677 88739 11496659 80476613 563336291 20820449449 145743146143 1020202023001