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202022302420 = 22547353608831
BaseRepresentation
bin1011110000100101110…
…1111011001011010100
3201022110021121021220001
42330021131323023110
511302220202134140
6232450251021044
720411205144301
oct2741135731324
9638407537801
10202022302420
117874a360a14
12331a0a3a784
13160872a4923
149ac69040a8
1553c5c8ee9a
hex2f0977b2d4

202022302420 has 48 divisors (see below), whose sum is σ = 434501480448. Its totient is φ = 78865402880.

The previous prime is 202022302387. The next prime is 202022302423. The reversal of 202022302420 is 24203220202.

It is a happy number.

202022302420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202022302423) 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, 27405 + ... + 636235.

It is an arithmetic number, because the mean of its divisors is an integer number (9052114176).

Almost surely, 2202022302420 is an apocalyptic number.

202022302420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202022302420 is an abundant number, since it is smaller than the sum of its proper divisors (232479178028).

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

202022302420 is a wasteful number, since it uses less digits than its factorization.

202022302420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609240 (or 609238 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 202022302420 its reverse (24203220202), we get a palindrome (226225522622).

The spelling of 202022302420 in words is "two hundred two billion, twenty-two million, three hundred two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 353 470 706 940 1412 1765 3530 7060 16591 33182 66364 82955 165910 331820 608831 1217662 2435324 3044155 6088310 12176620 28615057 57230114 114460228 143075285 214917343 286150570 429834686 572301140 859669372 1074586715 2149173430 4298346860 10101115121 20202230242 40404460484 50505575605 101011151210 202022302420