29963642972020 has 48 divisors (see below), whose sum is σ = 66100128796800. Its totient is φ = 11387408379776.

The previous prime is 29963642971987. The next prime is 29963642972051. The reversal of 29963642972020 is 2027924636992.

It is a self number, because there is not a number n which added to its sum of digits gives 29963642972020.

It is a congruent number.

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, 218516542 + ... + 218653621.

It is an arithmetic number, because the mean of its divisors is an integer number (1377086016600).

Almost surely, 2^{29963642972020} is an apocalyptic number.

29963642972020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29963642972020 is an abundant number, since it is smaller than the sum of its proper divisors (36136485824780).

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

29963642972020 is a wasteful number, since it uses less digits than its factorization.

29963642972020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437170344 (or 437170342 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 61.

The spelling of 29963642972020 in words is "twenty-nine trillion, nine hundred sixty-three billion, six hundred forty-two million, nine hundred seventy-two thousand, twenty".