537990020 has 24 divisors (see below), whose sum is σ = 1168738200. Its totient is φ = 207775232.

The previous prime is 537990017. The next prime is 537990023. The reversal of 537990020 is 20099735.

It is an interprime number because it is at equal distance from previous prime (537990017) and next prime (537990023).

It can be written as a sum of positive squares in 4 ways, for example, as 399424 + 537590596 = 632^2 + 23186^2 .

It is not an unprimeable number, because it can be changed into a prime (537990023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463205 + ... + 464364.

It is an arithmetic number, because the mean of its divisors is an integer number (48697425).

Almost surely, 2^537990020 is an apocalyptic number.

It is an amenable number.

537990020 is an abundant number, since it is smaller than the sum of its proper divisors (630748180).

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

537990020 is a wasteful number, since it uses less digits than its factorization.

537990020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927607 (or 927605 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 537990020 is about 23194.6118743125. The cubic root of 537990020 is about 813.3136722979.

The spelling of 537990020 in words is "five hundred thirty-seven million, nine hundred ninety thousand, twenty".