1220072092 has 24 divisors (see below), whose sum is σ = 2182763520. Its totient is φ = 596534640.

The previous prime is 1220072089. The next prime is 1220072131. The reversal of 1220072092 is 2902700221.

It is a congruent number.

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, 31543 + ... + 58609.

It is an arithmetic number, because the mean of its divisors is an integer number (90948480).

Almost surely, 2^1220072092 is an apocalyptic number.

It is an amenable number.

1220072092 is a deficient number, since it is larger than the sum of its proper divisors (962691428).

1220072092 is a wasteful number, since it uses less digits than its factorization.

1220072092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27321 (or 27319 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1220072092 is about 34929.5303718787. The cubic root of 1220072092 is about 1068.5507768505.

The spelling of 1220072092 in words is "one billion, two hundred twenty million, seventy-two thousand, ninety-two".