20220837 has 32 divisors (see below), whose sum is σ = 35142912. Its totient is φ = 10036224.

The previous prime is 20220821. The next prime is 20220839. The reversal of 20220837 is 73802202.

It is not a de Polignac number, because 20220837 - 2⁴ = 20220821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2463 + ... + 6819.

It is an arithmetic number, because the mean of its divisors is an integer number (1098216).

Almost surely, 2^20220837 is an apocalyptic number.

It is an amenable number.

20220837 is a deficient number, since it is larger than the sum of its proper divisors (14922075).

20220837 is a wasteful number, since it uses less digits than its factorization.

20220837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20220837 is about 4496.7584991858. The cubic root of 20220837 is about 272.4371799191.

The spelling of 20220837 in words is "twenty million, two hundred twenty thousand, eight hundred thirty-seven".