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1010211002020 = 225114591868191
BaseRepresentation
bin11101011001101010100…
…01001001011010100100
310120120112100020001222001
432230311101021122210
5113022403004031040
62052030131415044
7132661653560143
oct16546521113244
93516470201861
101010211002020
1135a478857940
12143951754484
13743548c2c7c
1436c7461375a
151b427e0359a
hexeb354496a4

1010211002020 has 24 divisors (see below), whose sum is σ = 2314301568768. Its totient is φ = 367349455200.

The previous prime is 1010211002011. The next prime is 1010211002027. The reversal of 1010211002020 is 202001120101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1010211001988 and 1010211002006.

It is not an unprimeable number, because it can be changed into a prime (1010211002027) 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 7 ways as a sum of consecutive naturals, for example, 2295933876 + ... + 2295934315.

It is an arithmetic number, because the mean of its divisors is an integer number (96429232032).

Almost surely, 21010211002020 is an apocalyptic number.

1010211002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010211002020 is an abundant number, since it is smaller than the sum of its proper divisors (1304090566748).

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

1010211002020 is a wasteful number, since it uses less digits than its factorization.

1010211002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591868211 (or 4591868209 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1010211002020 its reverse (202001120101), we get a palindrome (1212212122121).

The spelling of 1010211002020 in words is "one trillion, ten billion, two hundred eleven million, two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 4591868191 9183736382 18367472764 22959340955 45918681910 50510550101 91837363820 101021100202 202042200404 252552750505 505105501010 1010211002020