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20200120122102 = 233841518763967
BaseRepresentation
bin1001001011111001101001…
…11110111111101011110110
32122112010001002210000200220
410211330310332333223312
510121424321222401402
6110543450154515210
74153260544006044
oct445746476775366
978463032700626
1020200120122102
1164889062137a8
122322b03435b06
13b36b2b47057b
144db99628b394
152506b8b36dbc
hex125f34fbfaf6

20200120122102 has 16 divisors (see below), whose sum is σ = 40400350021632. Its totient is φ = 6733355077800.

The previous prime is 20200120122101. The next prime is 20200120122137. The reversal of 20200120122102 is 20122102100202.

Adding to 20200120122102 its reverse (20122102100202), we get a palindrome (40322222222304).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200120122101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2077078 + ... + 6686889.

It is an arithmetic number, because the mean of its divisors is an integer number (2525021876352).

Almost surely, 220200120122102 is an apocalyptic number.

20200120122102 is an abundant number, since it is smaller than the sum of its proper divisors (20200229899530).

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

20200120122102 is a wasteful number, since it uses less digits than its factorization.

20200120122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9148123.

The product of its (nonzero) digits is 64, while the sum is 15.

The spelling of 20200120122102 in words is "twenty trillion, two hundred billion, one hundred twenty million, one hundred twenty-two thousand, one hundred two".