20300147578272 has 48 divisors (see below), whose sum is σ = 53288143634880. Its totient is φ = 6766683320832.

The previous prime is 20300147578267. The next prime is 20300147578279. The reversal of 20300147578272 is 27287574100302.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (20300147578279) 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, 27627028 + ... + 28352300.

It is an arithmetic number, because the mean of its divisors is an integer number (1110169659060).

Almost surely, 2^{20300147578272} is an apocalyptic number.

It is an amenable number.

20300147578272 is an abundant number, since it is smaller than the sum of its proper divisors (32987996056608).

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

20300147578272 is a wasteful number, since it uses less digits than its factorization.

20300147578272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016845 (or 1016837 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 20300147578272 in words is "twenty trillion, three hundred billion, one hundred forty-seven million, five hundred seventy-eight thousand, two hundred seventy-two".