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122210023020 = 223515791128987
BaseRepresentation
bin111000111010001001…
…0001111011001101100
3102200110000201102010220
41301310102033121230
54000241231214040
6132050440531340
711554323025131
oct1616422173154
9380400642126
10122210023020
1147913410128
121b827a80b50
13b6a8017bb7
145cb4a72588
1532a40022d0
hex1c7448f66c

122210023020 has 48 divisors (see below), whose sum is σ = 342212387328. Its totient is φ = 32587023040.

The previous prime is 122210022983. The next prime is 122210023021. The reversal of 122210023020 is 20320012221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (122210023021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882967 + ... + 1011953.

It is an arithmetic number, because the mean of its divisors is an integer number (7129424736).

Almost surely, 2122210023020 is an apocalyptic number.

122210023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122210023020 is an abundant number, since it is smaller than the sum of its proper divisors (220002364308).

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

122210023020 is a wasteful number, since it uses less digits than its factorization.

122210023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144790 (or 144788 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 122210023020 its reverse (20320012221), we get a palindrome (142530035241).

The spelling of 122210023020 in words is "one hundred twenty-two billion, two hundred ten million, twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 15791 31582 47373 63164 78955 94746 128987 157910 189492 236865 257974 315820 386961 473730 515948 644935 773922 947460 1289870 1547844 1934805 2579740 3869610 7739220 2036833717 4073667434 6110501151 8147334868 10184168585 12221002302 20368337170 24442004604 30552505755 40736674340 61105011510 122210023020