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2020111201020 = 2235113060774547
BaseRepresentation
bin11101011001011000000…
…000101011001011111100
321011010021000121201100010
4131121120000223023330
5231044141431413040
64144005401503220
7265643144615133
oct35313000531374
97133230551303
102020111201020
117097a7121880
122876171a1b10
13118659ca4c13
146dab984091a
15378338b1e80
hex1d65802b2fc

2020111201020 has 48 divisors (see below), whose sum is σ = 6170521488768. Its totient is φ = 489723927360.

The previous prime is 2020111200977. The next prime is 2020111201037. The reversal of 2020111201020 is 201021110202.

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 = 2020111200987 and 2020111201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1530386614 + ... + 1530387933.

It is an arithmetic number, because the mean of its divisors is an integer number (128552531016).

Almost surely, 22020111201020 is an apocalyptic number.

2020111201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020111201020 is an abundant number, since it is smaller than the sum of its proper divisors (4150410287748).

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

2020111201020 is a wasteful number, since it uses less digits than its factorization.

2020111201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060774570 (or 3060774568 counting only the distinct ones).

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

Adding to 2020111201020 its reverse (201021110202), we get a palindrome (2221132311222).

The spelling of 2020111201020 in words is "two trillion, twenty billion, one hundred eleven million, two hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 3060774547 6121549094 9182323641 12243098188 15303872735 18364647282 30607745470 33668520017 36729294564 45911618205 61215490940 67337040034 91823236410 101005560051 134674080068 168342600085 183646472820 202011120102 336685200170 404022240204 505027800255 673370400340 1010055600510 2020111201020