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1220120032030 = 25177177176659
BaseRepresentation
bin10001110000010100110…
…100100011001100011110
311022122100021002122012221
4101300110310203030132
5124442301212011110
62332303154415554
7154102466103364
oct21602464431436
94278307078187
101220120032030
114304a4a49a39
121785738915ba
138b097acacc3
14430a8737634
1521b112667da
hex11c14d2331e

1220120032030 has 16 divisors (see below), whose sum is σ = 2325405237840. Its totient is φ = 459339306112.

The previous prime is 1220120032009. The next prime is 1220120032111. The reversal of 1220120032030 is 302300210221.

It is a junction number, because it is equal to n+sod(n) for n = 1220120031995 and 1220120032013.

It is a congruent number.

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, 3588588160 + ... + 3588588499.

It is an arithmetic number, because the mean of its divisors is an integer number (145337827365).

Almost surely, 21220120032030 is an apocalyptic number.

1220120032030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220120032030 is a deficient number, since it is larger than the sum of its proper divisors (1105285205810).

1220120032030 is a wasteful number, since it uses less digits than its factorization.

1220120032030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7177176683.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1220120032030 its reverse (302300210221), we get a palindrome (1522420242251).

The spelling of 1220120032030 in words is "one trillion, two hundred twenty billion, one hundred twenty million, thirty-two thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 7177176659 14354353318 35885883295 71771766590 122012003203 244024006406 610060016015 1220120032030