20220567842 has 16 divisors (see below), whose sum is σ = 31619268864. Its totient is φ = 9687270000.

The previous prime is 20220567803. The next prime is 20220567877. The reversal of 20220567842 is 24876502202.

It is a junction number, because it is equal to n+sod(n) for n = 20220567796 and 20220567805.

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, 1608284 + ... + 1620807.

It is an arithmetic number, because the mean of its divisors is an integer number (1976204304).

Almost surely, 2^20220567842 is an apocalyptic number.

20220567842 is a deficient number, since it is larger than the sum of its proper divisors (11398701022).

20220567842 is a wasteful number, since it uses less digits than its factorization.

20220567842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229225.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 20220567842 in words is "twenty billion, two hundred twenty million, five hundred sixty-seven thousand, eight hundred forty-two".