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BaseRepresentation
bin1001001011111101100100…
…10001110011110000101101
32122112022110121012221200222
410211332302101303300231
510121443122341042442
6110544434525501125
74153363620302366
oct445766221636055
978468417187628
1020202222205997
116489794845517
1223233ab4117a5
13b370a4b0aab0
144dbb1551ab6d
1525078d4618d2
hex125fb2473c2d

20202222205997 has 16 divisors (see below), whose sum is σ = 21922905164160. Its totient is φ = 18505356292800.

The previous prime is 20202222205973. The next prime is 20202222206003. The reversal of 20202222205997 is 79950222220202.

It is not a de Polignac number, because 20202222205997 - 216 = 20202222140461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202222205097) 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, 73362347 + ... + 73637207.

It is an arithmetic number, because the mean of its divisors is an integer number (1370181572760).

Almost surely, 220202222205997 is an apocalyptic number.

It is an amenable number.

20202222205997 is a deficient number, since it is larger than the sum of its proper divisors (1720682958163).

20202222205997 is a wasteful number, since it uses less digits than its factorization.

20202222205997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318164.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 20202222205997 in words is "twenty trillion, two hundred two billion, two hundred twenty-two million, two hundred five thousand, nine hundred ninety-seven".