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1020022012210 = 25617188987517
BaseRepresentation
bin11101101011111100000…
…11001011100100110010
310121111212002101000210211
432311332003023210302
5113203001113342320
62100331443414334
7133460045022325
oct16657603134462
93544762330724
101020022012210
1136365291a023
1214582b3843aa
13752593ac746
143752561c7bc
151b7ee3ce55a
hexed7e0cb932

1020022012210 has 32 divisors (see below), whose sum is σ = 1840009938480. Its totient is φ = 407127232512.

The previous prime is 1020022012201. The next prime is 1020022012271. The reversal of 1020022012210 is 122102200201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 17778755569 + 1002243256641 = 133337^2 + 1001121^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11611372 + ... + 11698888.

Almost surely, 21020022012210 is an apocalyptic number.

1020022012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020022012210 is a deficient number, since it is larger than the sum of its proper divisors (819987926270).

1020022012210 is a wasteful number, since it uses less digits than its factorization.

1020022012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90030.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1020022012210 its reverse (122102200201), we get a palindrome (1142124212411).

The spelling of 1020022012210 in words is "one trillion, twenty billion, twenty-two million, twelve thousand, two hundred ten".

Divisors: 1 2 5 10 617 1234 1889 3085 3778 6170 9445 18890 87517 175034 437585 875170 1165513 2331026 5827565 11655130 53997989 107995978 165319613 269989945 330639226 539979890 826598065 1653196130 102002201221 204004402442 510011006105 1020022012210