1220552046 has 24 divisors (see below), whose sum is σ = 3022319664. Its totient is φ = 348729120.

The previous prime is 1220552023. The next prime is 1220552051. The reversal of 1220552046 is 6402550221.

It is a super-2 number, since 2×1220552046² = 2979494593989572232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4843335 + ... + 4843586.

It is an arithmetic number, because the mean of its divisors is an integer number (125929986).

Almost surely, 2^1220552046 is an apocalyptic number.

1220552046 is an abundant number, since it is smaller than the sum of its proper divisors (1801767618).

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

1220552046 is a wasteful number, since it uses less digits than its factorization.

1220552046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9686936 (or 9686933 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1220552046 is about 34936.4000148842. The cubic root of 1220552046 is about 1068.6908745787.

The spelling of 1220552046 in words is "one billion, two hundred twenty million, five hundred fifty-two thousand, forty-six".