1220010492 has 36 divisors (see below), whose sum is σ = 2895601128. Its totient is φ = 399693600.

The previous prime is 1220010481. The next prime is 1220010497. The reversal of 1220010492 is 2940100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220010497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 944367 + ... + 945657.

Almost surely, 2^1220010492 is an apocalyptic number.

1220010492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220010492 is an abundant number, since it is smaller than the sum of its proper divisors (1675590636).

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

1220010492 is an equidigital number, since it uses as much as digits as its factorization.

1220010492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1220010492 is about 34928.6485853661. The cubic root of 1220010492 is about 1068.5327932587.

The spelling of 1220010492 in words is "one billion, two hundred twenty million, ten thousand, four hundred ninety-two".