1220220092 has 48 divisors (see below), whose sum is σ = 2647458240. Its totient is φ = 479181312.

The previous prime is 1220220083. The next prime is 1220220137. The reversal of 1220220092 is 2900220221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37634 + ... + 62102.

It is an arithmetic number, because the mean of its divisors is an integer number (55155380).

Almost surely, 2^1220220092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220220092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323729120).

1220220092 is an abundant number, since it is smaller than the sum of its proper divisors (1427238148).

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

1220220092 is a wasteful number, since it uses less digits than its factorization.

1220220092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24630 (or 24628 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1220220092 is about 34931.6488588787. The cubic root of 1220220092 is about 1068.5939817075.

The spelling of 1220220092 in words is "one billion, two hundred twenty million, two hundred twenty thousand, ninety-two".