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2120010211020 = 22351329629914879
BaseRepresentation
bin11110110110011010011…
…101001001111011001100
321111200010011020020100110
4132312122131021323030
5234213240103223040
64301530320200020
7306110554316142
oct36663235117314
97450104206313
102120010211020
1174810054a669
122a2a57169010
13124bba8b5360
14748752d3592
153a22dced980
hex1ed9a749ecc

2120010211020 has 192 divisors, whose sum is σ = 6614576640000. Its totient is φ = 503740038144.

The previous prime is 2120010210973. The next prime is 2120010211031. The reversal of 2120010211020 is 201120100212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2120010210987 and 2120010211005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142475941 + ... + 142490819.

It is an arithmetic number, because the mean of its divisors is an integer number (34450920000).

Almost surely, 22120010211020 is an apocalyptic number.

2120010211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120010211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3307288320000).

2120010211020 is an abundant number, since it is smaller than the sum of its proper divisors (4494566428980).

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

2120010211020 is a wasteful number, since it uses less digits than its factorization.

2120010211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21232 (or 21230 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2120010211020 its reverse (201120100212), we get a palindrome (2321130311232).

The spelling of 2120010211020 in words is "two trillion, one hundred twenty billion, ten million, two hundred eleven thousand, twenty".