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20202024424420 = 2251277953552923
BaseRepresentation
bin1001001011111101001100…
…11111010101001111100100
32122112021221211001121101101
410211332212133111033210
510121442221223040140
6110544403142405444
74153355666214616
oct445764637251744
978467854047341
1020202024424420
1164896a3138273
122323355130884
13b37072b4c487
144dbad7154db6
1525077ade499a
hex125fa67d53e4

20202024424420 has 24 divisors (see below), whose sum is σ = 42758300519424. Its totient is φ = 8017181345376.

The previous prime is 20202024424399. The next prime is 20202024424459. The reversal of 20202024424420 is 2442442020202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3976773922 + ... + 3976779001.

It is an arithmetic number, because the mean of its divisors is an integer number (1781595854976).

Almost surely, 220202024424420 is an apocalyptic number.

20202024424420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202024424420 is an abundant number, since it is smaller than the sum of its proper divisors (22556276095004).

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

20202024424420 is a wasteful number, since it uses less digits than its factorization.

20202024424420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7953553059 (or 7953553057 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20202024424420 its reverse (2442442020202), we get a palindrome (22644466444622).

The spelling of 20202024424420 in words is "twenty trillion, two hundred two billion, twenty-four million, four hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 7953552923 15907105846 31814211692 39767764615 79535529230 159071058460 1010101221221 2020202442442 4040404884884 5050506106105 10101012212210 20202024424420