2061151020 has 36 divisors (see below), whose sum is σ = 6252158640. Its totient is φ = 549640224.

The previous prime is 2061150967. The next prime is 2061151061. The reversal of 2061151020 is 201511602.

2061151020 is a `hidden beast` number, since 2 + 0 + 611 + 51 + 0 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2061150984 and 2061151002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5725240 + ... + 5725599.

Almost surely, 2^2061151020 is an apocalyptic number.

2061151020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061151020 is an abundant number, since it is smaller than the sum of its proper divisors (4191007620).

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

2061151020 is a wasteful number, since it uses less digits than its factorization.

2061151020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11450854 (or 11450849 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2061151020 is about 45399.9011012139. The cubic root of 2061151020 is about 1272.6332657251.

Adding to 2061151020 its reverse (201511602), we get a palindrome (2262662622).

It can be divided in two parts, 20611 and 51020, that added together give a triangular number (71631 = T₃₇₈).

The spelling of 2061151020 in words is "two billion, sixty-one million, one hundred fifty-one thousand, twenty".