290020148 has 12 divisors (see below), whose sum is σ = 553674912. Its totient is φ = 131827320.

The previous prime is 290020109. The next prime is 290020189. The reversal of 290020148 is 841020092.

It is a super-2 number, since 2×290020148² = 168223372491883808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3295640 + ... + 3295727.

It is an arithmetic number, because the mean of its divisors is an integer number (46139576).

Almost surely, 2^290020148 is an apocalyptic number.

It is an amenable number.

290020148 is a deficient number, since it is larger than the sum of its proper divisors (263654764).

290020148 is a wasteful number, since it uses less digits than its factorization.

290020148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591382 (or 6591380 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 290020148 is about 17029.9779213010. The cubic root of 290020148 is about 661.9259233840.

The spelling of 290020148 in words is "two hundred ninety million, twenty thousand, one hundred forty-eight".