220970029398492 has 192 divisors, whose sum is σ = 587599156569600. Its totient is φ = 64035488563200.

The previous prime is 220970029398467. The next prime is 220970029398511. The reversal of 220970029398492 is 294893920079022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146173392 + ... + 147677352.

It is an arithmetic number, because the mean of its divisors is an integer number (3060412273800).

Almost surely, 2^{220970029398492} is an apocalyptic number.

220970029398492 is a gapful number since it is divisible by the number (22) 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 220970029398492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293799578284800).

220970029398492 is an abundant number, since it is smaller than the sum of its proper divisors (366629127171108).

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

220970029398492 is a wasteful number, since it uses less digits than its factorization.

220970029398492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504532 (or 1504530 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 66.

The spelling of 220970029398492 in words is "two hundred twenty trillion, nine hundred seventy billion, twenty-nine million, three hundred ninety-eight thousand, four hundred ninety-two".