61293020 has 12 divisors (see below), whose sum is σ = 128715384. Its totient is φ = 24517200.

The previous prime is 61293013. The next prime is 61293047. The reversal of 61293020 is 2039216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532306 + ... + 1532345.

It is an arithmetic number, because the mean of its divisors is an integer number (10726282).

Almost surely, 2^61293020 is an apocalyptic number.

It is an amenable number.

61293020 is an abundant number, since it is smaller than the sum of its proper divisors (67422364).

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

61293020 is a wasteful number, since it uses less digits than its factorization.

61293020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064660 (or 3064658 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 61293020 is about 7828.9858857964. The cubic root of 61293020 is about 394.2790245262.

The spelling of 61293020 in words is "sixty-one million, two hundred ninety-three thousand, twenty".