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102022211220220 = 22531349471495569
BaseRepresentation
bin10111001100100111100101…
…101010001011001011111100
3111101020020011022111021101201
4113030213211222023023330
5101333012442033021340
61000552205023145244
730326601333664354
oct2714474552131374
9441206138437351
10102022211220220
112a56441657a505
12b538708145224
1344c0865214675
141b29c89505b64
15bbdc726ee79a
hex5cc9e5a8b2fc

102022211220220 has 48 divisors (see below), whose sum is σ = 221791516128000. Its totient is φ = 39379309839360.

The previous prime is 102022211220191. The next prime is 102022211220233. The reversal of 102022211220220 is 22022112220201.

It is a super-2 number, since 2×1020222112202202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 235531405 + ... + 235964164.

It is an arithmetic number, because the mean of its divisors is an integer number (4620656586000).

Almost surely, 2102022211220220 is an apocalyptic number.

102022211220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102022211220220 is an abundant number, since it is smaller than the sum of its proper divisors (119769304907780).

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

102022211220220 is a wasteful number, since it uses less digits than its factorization.

102022211220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471495958 (or 471495956 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102022211220220 its reverse (22022112220201), we get a palindrome (124044323440421).

The spelling of 102022211220220 in words is "one hundred two trillion, twenty-two billion, two hundred eleven million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 349 620 698 1396 1745 3490 6980 10819 21638 43276 54095 108190 216380 471495569 942991138 1885982276 2357477845 4714955690 9429911380 14616362639 29232725278 58465450556 73081813195 146163626390 164551953581 292327252780 329103907162 658207814324 822759767905 1645519535810 3291039071620 5101110561011 10202221122022 20404442244044 25505552805055 51011105610110 102022211220220