157073020 has 48 divisors (see below), whose sum is σ = 356455008. Its totient is φ = 57795840.

The previous prime is 157073017. The next prime is 157073027. The reversal of 157073020 is 20370751.

It is a super-2 number, since 2×157073020² = 49343867223840800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157073027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89350 + ... + 91090.

It is an arithmetic number, because the mean of its divisors is an integer number (7426146).

Almost surely, 2^157073020 is an apocalyptic number.

157073020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157073020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178227504).

157073020 is an abundant number, since it is smaller than the sum of its proper divisors (199381988).

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

157073020 is a wasteful number, since it uses less digits than its factorization.

157073020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 157073020 is about 12532.8775626350. The cubic root of 157073020 is about 539.5526931348.

The spelling of 157073020 in words is "one hundred fifty-seven million, seventy-three thousand, twenty".