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1011201002020 = 225114596368191
BaseRepresentation
bin11101011011100000100…
…01101100101000100100
310120200002100002021122201
432231300101230220210
5113031414424031040
62052312254504244
7133025334461416
oct16556021545044
93520070067581
101011201002020
1135a936670560
12143b89205084
1374481a3b5a1
1436d29cba9b6
151b484caba9a
hexeb7046ca24

1011201002020 has 24 divisors (see below), whose sum is σ = 2316569568768. Its totient is φ = 367709455200.

The previous prime is 1011201002003. The next prime is 1011201002051. The reversal of 1011201002020 is 202001021101.

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 = 1011201001988 and 1011201002006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2298183876 + ... + 2298184315.

It is an arithmetic number, because the mean of its divisors is an integer number (96523732032).

Almost surely, 21011201002020 is an apocalyptic number.

1011201002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011201002020 is an abundant number, since it is smaller than the sum of its proper divisors (1305368566748).

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

1011201002020 is a wasteful number, since it uses less digits than its factorization.

1011201002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596368211 (or 4596368209 counting only the distinct ones).

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

Adding to 1011201002020 its reverse (202001021101), we get a palindrome (1213202023121).

The spelling of 1011201002020 in words is "one trillion, eleven billion, two hundred one million, two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 4596368191 9192736382 18385472764 22981840955 45963681910 50560050101 91927363820 101120100202 202240200404 252800250505 505600501010 1011201002020