20301220121032 has 16 divisors (see below), whose sum is σ = 40068197607600. Its totient is φ = 9616367425680.

The previous prime is 20301220121027. The next prime is 20301220121069. The reversal of 20301220121032 is 23012102210302.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66780329194 + ... + 66780329497.

It is an arithmetic number, because the mean of its divisors is an integer number (2504262350475).

Almost surely, 2^{20301220121032} is an apocalyptic number.

It is an amenable number.

20301220121032 is a deficient number, since it is larger than the sum of its proper divisors (19766977486568).

20301220121032 is a wasteful number, since it uses less digits than its factorization.

20301220121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133560658716 (or 133560658712 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20301220121032 its reverse (23012102210302), we get a palindrome (43313322331334).

The spelling of 20301220121032 in words is "twenty trillion, three hundred one billion, two hundred twenty million, one hundred twenty-one thousand, thirty-two".