2050621100 has 72 divisors (see below), whose sum is σ = 4921070448. Its totient is φ = 735436800.

The previous prime is 2050621099. The next prime is 2050621123. The reversal of 2050621100 is 11260502.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67532 + ... + 93068.

Almost surely, 2^2050621100 is an apocalyptic number.

2050621100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2050621100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2460535224).

2050621100 is an abundant number, since it is smaller than the sum of its proper divisors (2870449348).

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

2050621100 is a wasteful number, since it uses less digits than its factorization.

2050621100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25635 (or 25628 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2050621100 is about 45283.7840733303. The cubic root of 2050621100 is about 1270.4623732335.

Adding to 2050621100 its reverse (11260502), we get a palindrome (2061881602).

The spelling of 2050621100 in words is "two billion, fifty million, six hundred twenty-one thousand, one hundred".