1022120204 has 18 divisors (see below), whose sum is σ = 2080745100. Its totient is φ = 438051432.

The previous prime is 1022120179. The next prime is 1022120221. The reversal of 1022120204 is 4020212201.

It is a super-2 number, since 2×1022120204² = 2089459422850003232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2607254 + ... + 2607645.

It is an arithmetic number, because the mean of its divisors is an integer number (115596950).

Almost surely, 2^1022120204 is an apocalyptic number.

1022120204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1022120204 is an abundant number, since it is smaller than the sum of its proper divisors (1058624896).

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

1022120204 is a wasteful number, since it uses less digits than its factorization.

1022120204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214917 (or 5214908 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1022120204 is about 31970.6146953730. The cubic root of 1022120204 is about 1007.3196927074.

Adding to 1022120204 its reverse (4020212201), we get a palindrome (5042332405).

The spelling of 1022120204 in words is "one billion, twenty-two million, one hundred twenty thousand, two hundred four".