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20202202011021 = 364310472888549
BaseRepresentation
bin1001001011111101100010…
…00100110001010110001101
32122112022102012012221101220
410211332301010301112031
510121443102203323041
6110544432524553553
74153363253532042
oct445766104612615
978468365187356
1020202202011021
116489784401758
1223233a46b28b9
13b370a08899c4
144dbb129811c9
1525078b7c2d66
hex125fb113158d

20202202011021 has 8 divisors (see below), whose sum is σ = 26978160904800. Its totient is φ = 13447188895632.

The previous prime is 20202202010999. The next prime is 20202202011041. The reversal of 20202202011021 is 12011020220202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20202202011021 - 26 = 20202202010957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202202011041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5236442346 + ... + 5236446203.

It is an arithmetic number, because the mean of its divisors is an integer number (3372270113100).

Almost surely, 220202202011021 is an apocalyptic number.

It is an amenable number.

20202202011021 is a deficient number, since it is larger than the sum of its proper divisors (6775958893779).

20202202011021 is a wasteful number, since it uses less digits than its factorization.

20202202011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10472889195.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20202202011021 its reverse (12011020220202), we get a palindrome (32213222231223).

The spelling of 20202202011021 in words is "twenty trillion, two hundred two billion, two hundred two million, eleven thousand, twenty-one".

Divisors: 1 3 643 1929 10472888549 31418665647 6734067337007 20202202011021