1227076020 has 96 divisors (see below), whose sum is σ = 3823088640. Its totient is φ = 326747520.

The previous prime is 1227075991. The next prime is 1227076021. The reversal of 1227076020 is 206707221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227076021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 533994 + ... + 536286.

It is an arithmetic number, because the mean of its divisors is an integer number (39823840).

Almost surely, 2^1227076020 is an apocalyptic number.

1227076020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227076020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1911544320).

1227076020 is an abundant number, since it is smaller than the sum of its proper divisors (2596012620).

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

1227076020 is a wasteful number, since it uses less digits than its factorization.

1227076020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302 (or 3294 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1227076020 is about 35029.6448740206. The cubic root of 1227076020 is about 1070.5915790034.

The spelling of 1227076020 in words is "one billion, two hundred twenty-seven million, seventy-six thousand, twenty".