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20331130022222 = 210165565011111
BaseRepresentation
bin1001001111101101101011…
…10010000110100101001110
32122222122012102000111211212
410213312311302012211032
510131101123241202342
6111123554151414422
74165606232536445
oct447666562064516
978878172014755
1020331130022222
116529424958828
122344386384412
13b462a963a526
1450406391dd5c
15253cd5485182
hex127db5c8694e

20331130022222 has 4 divisors (see below), whose sum is σ = 30496695033336. Its totient is φ = 10165565011110.

The previous prime is 20331130022201. The next prime is 20331130022243. The reversal of 20331130022222 is 22222003113302.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20331130022201) and next prime (20331130022243).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5082782505554 + ... + 5082782505557.

It is an arithmetic number, because the mean of its divisors is an integer number (7624173758334).

Almost surely, 220331130022222 is an apocalyptic number.

20331130022222 is a deficient number, since it is larger than the sum of its proper divisors (10165565011114).

20331130022222 is a wasteful number, since it uses less digits than its factorization.

20331130022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10165565011113.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20331130022222 its reverse (22222003113302), we get a palindrome (42553133135524).

The spelling of 20331130022222 in words is "twenty trillion, three hundred thirty-one billion, one hundred thirty million, twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 10165565011111 20331130022222