220020091970 has 32 divisors (see below), whose sum is σ = 461152631808. Its totient is φ = 74012148288.

The previous prime is 220020091969. The next prime is 220020092009. The reversal of 220020091970 is 79190020022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29648594 + ... + 29656013.

It is an arithmetic number, because the mean of its divisors is an integer number (14411019744).

Almost surely, 2^220020091970 is an apocalyptic number.

220020091970 is an abundant number, since it is smaller than the sum of its proper divisors (241132539838).

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

220020091970 is a wasteful number, since it uses less digits than its factorization.

220020091970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59304674.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 220020091970 in words is "two hundred twenty billion, twenty million, ninety-one thousand, nine hundred seventy".