920213524 has 6 divisors (see below), whose sum is σ = 1610373674. Its totient is φ = 460106760.

The previous prime is 920213521. The next prime is 920213527. The reversal of 920213524 is 425312029.

It is an interprime number because it is at equal distance from previous prime (920213521) and next prime (920213527).

It can be written as a sum of positive squares in only one way, i.e., 662032900 + 258180624 = 25730^2 + 16068^2 .

It is a junction number, because it is equal to n+sod(n) for n = 920213492 and 920213501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920213521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115026687 + ... + 115026694.

Almost surely, 2^920213524 is an apocalyptic number.

It is an amenable number.

920213524 is a deficient number, since it is larger than the sum of its proper divisors (690160150).

920213524 is a wasteful number, since it uses less digits than its factorization.

920213524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230053385 (or 230053383 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 920213524 is about 30335.0214109039. The cubic root of 920213524 is about 972.6640635349.

The spelling of 920213524 in words is "nine hundred twenty million, two hundred thirteen thousand, five hundred twenty-four".