20552150620 has 24 divisors (see below), whose sum is σ = 43162585200. Its totient is φ = 8220275712.

The previous prime is 20552150617. The next prime is 20552150623. The reversal of 20552150620 is 2605125502.

It is an interprime number because it is at equal distance from previous prime (20552150617) and next prime (20552150623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20552150623) 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, 353151 + ... + 407209.

It is an arithmetic number, because the mean of its divisors is an integer number (1798441050).

Almost surely, 2^20552150620 is an apocalyptic number.

20552150620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20552150620 is an abundant number, since it is smaller than the sum of its proper divisors (22610434580).

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

20552150620 is a wasteful number, since it uses less digits than its factorization.

20552150620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73077 (or 73075 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 20552150620 in words is "twenty billion, five hundred fifty-two million, one hundred fifty thousand, six hundred twenty".