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20422696 = 237364691
BaseRepresentation
bin100110111101…
…0000000101000
31102102120200011
41031322000220
520212011241
62005421304
7335406250
oct115720050
942376604
1020422696
1110589968
126a0a834
134300948
1429d8960
151bd6281
hex137a028

20422696 has 16 divisors (see below), whose sum is σ = 43763040. Its totient is φ = 8752560.

The previous prime is 20422693. The next prime is 20422697. The reversal of 20422696 is 69622402.

It is not an unprimeable number, because it can be changed into a prime (20422691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182290 + ... + 182401.

It is an arithmetic number, because the mean of its divisors is an integer number (2735190).

Almost surely, 220422696 is an apocalyptic number.

It is an amenable number.

20422696 is an abundant number, since it is smaller than the sum of its proper divisors (23340344).

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

20422696 is a wasteful number, since it uses less digits than its factorization.

20422696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364704 (or 364700 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 20422696 is about 4519.1477072563. The cubic root of 20422696 is about 273.3407348118.

The spelling of 20422696 in words is "twenty million, four hundred twenty-two thousand, six hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 56 364691 729382 1458764 2552837 2917528 5105674 10211348 20422696