127970220 has 96 divisors (see below), whose sum is σ = 433617408. Its totient is φ = 27528192.

The previous prime is 127970207. The next prime is 127970221. The reversal of 127970220 is 22079721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (127970221) 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, 1822 + ... + 16101.

It is an arithmetic number, because the mean of its divisors is an integer number (4516848).

Almost surely, 2^127970220 is an apocalyptic number.

127970220 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 127970220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216808704).

127970220 is an abundant number, since it is smaller than the sum of its proper divisors (305647188).

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

127970220 is a wasteful number, since it uses less digits than its factorization.

127970220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17959 (or 17957 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 127970220 is about 11312.3923199295. The cubic root of 127970220 is about 503.9293331256.

The spelling of 127970220 in words is "one hundred twenty-seven million, nine hundred seventy thousand, two hundred twenty".