73151210020 has 48 divisors (see below), whose sum is σ = 175578818688. Its totient is φ = 25078141440.

The previous prime is 73151210017. The next prime is 73151210057. The reversal of 73151210020 is 2001215137.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 73151209973 and 73151210000.

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, 2433804 + ... + 2463676.

It is an arithmetic number, because the mean of its divisors is an integer number (3657892056).

Almost surely, 2^73151210020 is an apocalyptic number.

73151210020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73151210020 is an abundant number, since it is smaller than the sum of its proper divisors (102427608668).

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

73151210020 is a wasteful number, since it uses less digits than its factorization.

73151210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47380 (or 47378 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

Adding to 73151210020 its reverse (2001215137), we get a palindrome (75152425157).

The spelling of 73151210020 in words is "seventy-three billion, one hundred fifty-one million, two hundred ten thousand, twenty".