29997923269020 has 192 divisors, whose sum is σ = 97321344046080. Its totient is φ = 6761836910592.

The previous prime is 29997923268923. The next prime is 29997923269037. The reversal of 29997923269020 is 2096232979992.

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, 244084146 + ... + 244207014.

It is an arithmetic number, because the mean of its divisors is an integer number (506882000240).

Almost surely, 2^{29997923269020} is an apocalyptic number.

29997923269020 is a gapful number since it is divisible by the number (20) 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 29997923269020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48660672023040).

29997923269020 is an abundant number, since it is smaller than the sum of its proper divisors (67323420777060).

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

29997923269020 is a wasteful number, since it uses less digits than its factorization.

29997923269020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130924 (or 130922 counting only the distinct ones).

The product of its (nonzero) digits is 119042784, while the sum is 69.

The spelling of 29997923269020 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred twenty-three million, two hundred sixty-nine thousand, twenty".