2019950220 has 24 divisors (see below), whose sum is σ = 5655860784. Its totient is φ = 538653376.

The previous prime is 2019950189. The next prime is 2019950221. The reversal of 2019950220 is 220599102.

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 (2019950221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16832859 + ... + 16832978.

It is an arithmetic number, because the mean of its divisors is an integer number (235660866).

Almost surely, 2^2019950220 is an apocalyptic number.

2019950220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2019950220 is an abundant number, since it is smaller than the sum of its proper divisors (3635910564).

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

2019950220 is a wasteful number, since it uses less digits than its factorization.

2019950220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33665849 (or 33665847 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 2019950220 is about 44943.8563098451. The cubic root of 2019950220 is about 1264.0964807450.

The spelling of 2019950220 in words is "two billion, nineteen million, nine hundred fifty thousand, two hundred twenty".