149621602220 has 24 divisors (see below), whose sum is σ = 316133011824. Its totient is φ = 59481470016.

The previous prime is 149621602177. The next prime is 149621602231. The reversal of 149621602220 is 22206126941.

149621602220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22944839 + ... + 22951358.

It is an arithmetic number, because the mean of its divisors is an integer number (13172208826).

Almost surely, 2^149621602220 is an apocalyptic number.

149621602220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149621602220 is an abundant number, since it is smaller than the sum of its proper divisors (166511409604).

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

149621602220 is a wasteful number, since it uses less digits than its factorization.

149621602220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45896369 (or 45896367 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 149621602220 in words is "one hundred forty-nine billion, six hundred twenty-one million, six hundred two thousand, two hundred twenty".