152420212 has 48 divisors (see below), whose sum is σ = 311980032. Its totient is φ = 63809280.

The previous prime is 152420207. The next prime is 152420221. The reversal of 152420212 is 212024251.

It is a super-2 number, since 2×152420212² = 46463842052249888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 152420212.

It is a congruent number.

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, 397773 + ... + 398155.

It is an arithmetic number, because the mean of its divisors is an integer number (6499584).

Almost surely, 2^152420212 is an apocalyptic number.

It is an amenable number.

152420212 is an abundant number, since it is smaller than the sum of its proper divisors (159559820).

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

152420212 is a wasteful number, since it uses less digits than its factorization.

152420212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 152420212 is about 12345.8580908740. The cubic root of 152420212 is about 534.1716730274.

Adding to 152420212 its reverse (212024251), we get a palindrome (364444463).

It can be divided in two parts, 1524 and 20212, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 152420212 in words is "one hundred fifty-two million, four hundred twenty thousand, two hundred twelve".