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10212020022220 = 2251074771971973
BaseRepresentation
bin1001010010011010101111…
…0100110110101111001100
31100011021000020022022222221
42110212223310312233030
52314303204111202340
633415200501545124
72102536242656002
oct224465364665714
940137006268887
1010212020022220
113287991091885
12118b1a8a151a4
13590cb27cc783
1427439b760a72
1512a98879044a
hex949abd36bcc

10212020022220 has 24 divisors (see below), whose sum is σ = 21645664874064. Its totient is φ = 4046632232256.

The previous prime is 10212020022181. The next prime is 10212020022241. The reversal of 10212020022220 is 2222002021201.

It is a junction number, because it is equal to n+sod(n) for n = 10212020022194 and 10212020022203.

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, 2385983847 + ... + 2385988126.

It is an arithmetic number, because the mean of its divisors is an integer number (901902703086).

Almost surely, 210212020022220 is an apocalyptic number.

10212020022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212020022220 is an abundant number, since it is smaller than the sum of its proper divisors (11433644851844).

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

10212020022220 is a wasteful number, since it uses less digits than its factorization.

10212020022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771972089 (or 4771972087 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10212020022220 its reverse (2222002021201), we get a palindrome (12434022043421).

The spelling of 10212020022220 in words is "ten trillion, two hundred twelve billion, twenty million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 4771971973 9543943946 19087887892 23859859865 47719719730 95439439460 510601001111 1021202002222 2042404004444 2553005005555 5106010011110 10212020022220