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20224412020 = 2257313852337
BaseRepresentation
bin10010110101011110…
…000000100101110100
31221012110210120200001
4102311132000211310
5312404422141040
613142503201044
71314115444231
oct226536004564
957173716601
1020224412020
1186391760aa
123b05146184
131ba402b607
14d9c020788
157d57e859a
hex4b5780974

20224412020 has 24 divisors (see below), whose sum is σ = 43053066504. Its totient is φ = 7978945536.

The previous prime is 20224412011. The next prime is 20224412029. The reversal of 20224412020 is 2021442202.

It is an interprime number because it is at equal distance from previous prime (20224412011) and next prime (20224412029).

It can be written as a sum of positive squares in 4 ways, for example, as 8238103696 + 11986308324 = 90764^2 + 109482^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224412029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6924709 + ... + 6927628.

It is an arithmetic number, because the mean of its divisors is an integer number (1793877771).

Almost surely, 220224412020 is an apocalyptic number.

20224412020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20224412020 is an abundant number, since it is smaller than the sum of its proper divisors (22828654484).

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

20224412020 is a wasteful number, since it uses less digits than its factorization.

20224412020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13852419 (or 13852417 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20224412020 its reverse (2021442202), we get a palindrome (22245854222).

The spelling of 20224412020 in words is "twenty billion, two hundred twenty-four million, four hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 13852337 27704674 55409348 69261685 138523370 277046740 1011220601 2022441202 4044882404 5056103005 10112206010 20224412020